{"id":"CVE-2024-43411","aliases":["EUVD-2024-2518","GHSA-6v96-m24v-f58j","UBUNTU-CVE-2024-43411","USN-7258-1"],"status":"published","title":"CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00427,"percentile":0.37442,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-08-21T15:17:24Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"npm","package":"ckeditor4","fixed_in":["4.25.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ckeditor4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.22.0"},{"fixed":"4.25.0"}]}]},{"source":"osv","ecosystem":"npm","package":"ckeditor4","ranges":[{"type":"SEMVER","events":[{"introduced":"4.22.0"},{"fixed":"4.25.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9-1","5.1-1","5.2-1","5.2-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.11-2","4.2.12-3","4.2.12-4","4.2.12-5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ckeditor3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.6.1+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7-1","6.1-1","6.2-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.1-5","4.4.2-1","4.4.2-2","4.4.2-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ckeditor3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.6.1+dfsg-3","3.6.6.1+dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.7-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.3-2","4.4.3-2+deb10u3build0.20.04.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ckeditor3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.6.1+dfsg-7"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.5-1","7.7-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4+dfsg-2ubuntu1","4.4.4+dfsg-2ubuntu1.22.04.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ckeditor3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.6.1+dfsg-7"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.3-1","8.5-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4+dfsg-2ubuntu1","4.4.4+dfsg-2ubuntu2","4.4.7+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.22.1+dfsg1-2","4.22.1+dfsg1-2ubuntu0.24.04.1~esm1","4.22.1+dfsg1-2ubuntu0.24.04.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.22.1+dfsg1-2ubuntu1","4.22.1+dfsg1-2ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.7+dfsg-4syncable1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ldap-account-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0-1","9.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"request-tracker4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.7+dfsg-4syncable1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.7+dfsg-2ubuntu0.16.04.1~esm2"}]}],"versions":["4.4.4+dfsg1-3","4.5.6+dfsg-1","4.5.7+dfsg-1","4.5.7+dfsg-2","4.5.7+dfsg-2ubuntu0.16.04.1~esm1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.7+dfsg-2ubuntu0.18.04.1+esm1"}]}],"versions":["4.5.7+dfsg-2","4.5.7+dfsg-2ubuntu0.18.04.1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.1+dfsg-1ubuntu0.1+esm1"}]}],"versions":["4.11.1+dfsg-1","4.12.1+dfsg-1","4.12.1+dfsg-1ubuntu0.1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.2+dfsg-1ubuntu0.1~esm1"}]}],"versions":["4.16.0+dfsg-2","4.16.2+dfsg-1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"ckeditor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.22.1+dfsg1-2ubuntu0.24.04.1~esm1"}]}],"versions":["4.22.1+dfsg1-2"],"bundled":5}],"products":[{"vendor":"ckeditor","product":"ckeditor4"}],"references":[{"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6v96-m24v-f58j","tags":["x_refsource_CONFIRM","advisory","web","report"]},{"url":"https://github.com/ckeditor/ckeditor4/commit/b5069c9cb769ea22eae1cbd7200f22b1cf2e3a7f","tags":["x_refsource_MISC","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43411","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6v96-m24v-f58j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43411.json","tags":["advisory"]},{"url":"https://github.com/ckeditor/ckeditor4","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2024-43411","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-43411","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7258-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-24728","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-28439","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-24815","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-24816","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-43411","title":"CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","status":"published","published":"2024-08-21T15:17:24.176Z","modified":"2024-08-22T13:51:02.904Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:58.357949Z"}],"euvd":[{"id":"EUVD-2024-2518","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","status":"published","published":"2024-08-21T15:17:24Z","modified":"2024-08-22T13:51:02Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T00:56:13.216602Z"}],"ghsa":[{"id":"GHSA-6v96-m24v-f58j","title":"CKEditor4 low-risk cross-site scripting (XSS) vulnerability linked to potential domain takeover","description":"### Affected Packages\n\nThe issue impacts only editor instances with enabled [version notifications](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html#cfg-versionCheck).\n\nPlease note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please [contact us](mailto:security@cksource.com).\n\n### Impact\n\nA theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. Although the vulnerability is purely hypothetical, we have addressed it in CKEditor 4.25.0-lts to ensure compliance with security best practices.\n\n### Patches\n\nThe issue has been recognized and patched. The fix is available in version 4.25.0-lts.\n\n### For More Information\n\nIf you have any questions or comments about this advisory, please email us at [security@cksource.com](mailto:security@cksource.com).","status":"published","published":"2024-08-21T18:31:00Z","modified":"2024-11-18T16:27:06Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:20.012356Z"}],"nvd":[{"id":"CVE-2024-43411","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","status":"published","published":"2024-08-21T16:15:08.57Z","modified":"2026-06-17T07:50:59.66Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:19.870727Z"}],"osv":[{"id":"CVE-2024-43411","title":"CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","status":"published","published":"2024-08-21T15:17:24.176Z","modified":"2026-10-28T02:30:43.81005344Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:42.322107Z"},{"id":"GHSA-6v96-m24v-f58j","title":"CKEditor4 low-risk cross-site scripting (XSS) vulnerability linked to potential domain takeover","description":"### Affected Packages\n\nThe issue impacts only editor instances with enabled [version notifications](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html#cfg-versionCheck).\n\nPlease note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please [contact us](mailto:security@cksource.com).\n\n### Impact\n\nA theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. Although the vulnerability is purely hypothetical, we have addressed it in CKEditor 4.25.0-lts to ensure compliance with security best practices.\n\n### Patches\n\nThe issue has been recognized and patched. The fix is available in version 4.25.0-lts.\n\n### For More Information\n\nIf you have any questions or comments about this advisory, please email us at [security@cksource.com](mailto:security@cksource.com).","status":"published","published":"2024-08-21T18:31:00Z","modified":"2024-11-18T16:27:06Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"},{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"UBUNTU-CVE-2024-43411","description":"CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.","status":"published","published":"2024-08-21T16:15:00Z","modified":"2026-05-20T16:18:20.569845811Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:54:58.679387Z"},{"id":"USN-7258-1","title":"ckeditor vulnerabilities","description":"Kevin Backhouse discovered that CKEditor did not properly sanitize HTML\ncontent. An attacker could possibly use this issue to perform cross site\nscripting and obtain sensitive information. This issue only affected\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2022-24728)\n\nIt was discovered that CKEditor did not properly handle the creation of\neditor instances in the Iframe Dialog and Media Embed packages. An\nattacker could possibly use this issue to perform cross site scripting\nand obtain sensitive information. This issue only affected\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2023-28439)\n\nIt was discovered that CKEditor did not properly handle parsing HTML\ncontent. An attacker could possibly use this issue to perform cross site\nscripting and obtain sensitive information.\n(CVE-2024-24815, CVE-2024-24816)\n\nIt was discovered that CKEditor did not properly sanitize version\nnotifications. An attacker could possibly use this issue to perform cross\nsite scripting and obtain sensitive information. This issue only affected\nUbuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-43411)\n","status":"published","published":"2025-02-06T01:26:17Z","modified":"2026-06-25T13:32:30.047678093Z","updated_at":"2026-11-02T16:58:18.876384Z"}]}}