{"id":"CVE-2026-44264","aliases":["EUVD-2026-28388","GHSA-5cmv-3rc4-7279","PYSEC-2026-2319","openSUSE-SU-2026:10929-1"],"status":"published","title":"Weblate is vulnerable to XSS via crafted Markdown","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. 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Advisory","advisory","web","fix"]},{"url":"https://github.com/WeblateOrg/weblate/pull/19259","tags":["x_refsource_MISC","Issue Tracking","Patch","fix","web"]},{"url":"https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1","tags":["x_refsource_MISC","Release Notes","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44264","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5cmv-3rc4-7279"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44264.json","tags":["advisory"]},{"url":"https://github.com/WeblateOrg/weblate","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-41519","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-41654","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-44263","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-44264","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-44264","title":"Weblate is vulnerable to XSS via crafted Markdown","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.","status":"published","published":"2026-05-07T13:43:30.726Z","modified":"2026-05-07T15:05:39.272Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-28388","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.","status":"published","published":"2026-05-07T13:43:30Z","modified":"2026-05-07T15:05:39Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:05:14.902845Z"}],"ghsa":[{"id":"GHSA-5cmv-3rc4-7279","title":"Weblate vulnerable to XSS via crafted Markdown","description":"### Impact\nThe Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19259\n\n### Workarounds\nEven though the attacker might be able to inject code into the HTML, the Weblate's strict CSP should mitigate the risks.\n\n### Acknowlegement\nMichal Čihař has identified and fixed this vulnerability.","status":"published","published":"2026-05-07T00:04:26Z","modified":"2026-05-08T21:47:44Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-79","CWE-80"],"updated_at":"2026-11-02T14:40:04.762828Z"}],"nvd":[{"id":"CVE-2026-44264","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.","status":"published","published":"2026-05-07T15:16:10.76Z","modified":"2026-10-26T20:10:00.16Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:12:17.842772Z"}],"osv":[{"id":"CVE-2026-44264","title":"Weblate is vulnerable to XSS via crafted Markdown","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.","status":"published","published":"2026-05-07T13:43:30.726Z","modified":"2026-10-28T02:30:39.815200532Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-5cmv-3rc4-7279","title":"Weblate vulnerable to XSS via crafted Markdown","description":"### Impact\nThe Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19259\n\n### Workarounds\nEven though the attacker might be able to inject code into the HTML, the Weblate's strict CSP should mitigate the risks.\n\n### Acknowlegement\nMichal Čihař has identified and fixed this vulnerability.","status":"published","published":"2026-05-07T00:04:26Z","modified":"2026-07-13T07:26:44.300035145Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-79","CWE-80"],"updated_at":"2026-11-02T15:46:38.213481Z"},{"id":"PYSEC-2026-2319","description":"Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.","status":"published","published":"2026-05-07T15:16:10.76Z","modified":"2026-07-13T07:15:48.79140025Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.537808Z"},{"id":"openSUSE-SU-2026:10929-1","title":"weblate-5.17.1-1.1 on GA media","description":"These are all security issues fixed in the weblate-5.17.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-01T00:00:00Z","modified":"2026-06-02T08:45:08.477593019Z","updated_at":"2026-11-02T16:58:38.95195Z"}]}}