{"id":"CVE-2026-25496","aliases":["CLSA-2026-1783904621","EUVD-2026-6845","GHSA-9f5h-mmq6-2x78"],"status":"published","title":"Craft has a stored XSS in Number Prefix \u0026 Suffix Fields","description":"Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0041,"percentile":0.35702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-02-09T19:45:19Z","modified":"2026-10-28T02:31:02Z","fixes":[{"ecosystem":"Packagist","package":"craftcms/cms","fixed_in":["5.8.22","4.16.18"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:Packagist","package":"craftcms/cms","fixed_in":["3.9.15-p5+tuxcare"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"craftcms/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0-RC1"},{"last_affected":"5.8.21"},{"fixed":"5.8.22"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"craftcms/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-RC1"},{"last_affected":"4.16.17"},{"fixed":"4.16.18"}]}]},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"craftcms/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.15"},{"fixed":"3.9.15-p5+tuxcare"}]}],"versions":["3.9.15","3.9.15-p1+tuxcare","3.9.15-p2+tuxcare","3.9.15-p3+tuxcare","3.9.15-p4+tuxcare"]},{"source":"osv","ecosystem":"Packagist","package":"craftcms/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0-RC1"},{"fixed":"5.8.22"}]}],"versions":["5.0.0","5.0.0-RC1","5.0.1","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6","5.1.0","5.1.1","5.1.10","5.1.2","5.1.3","5.1.4","5.1.5","5.1.6","5.1.7","5.1.8","5.1.9","5.2.0","5.2.0-beta.1","5.2.0-beta.2","5.2.0-beta.3","5.2.0-beta.4","5.2.0-beta.5","5.2.0-beta.6","5.2.1","5.2.10","5.2.2","5.2.3","5.2.4","5.2.4.1","5.2.5","5.2.6","5.2.7","5.2.8","5.2.9","5.3.0","5.3.0-beta.1","5.3.0-beta.2","5.3.0.1","5.3.0.2","5.3.0.3","5.3.1","5.3.2","5.3.3","5.3.4","5.3.5","5.3.6","5.4.0","5.4.0.1","5.4.1","5.4.10","5.4.10.1","5.4.2","5.4.3","5.4.4","5.4.5","5.4.5.1","5.4.6","5.4.7","5.4.7.1","5.4.8","5.4.9","5.5.0","5.5.0.1","5.5.1","5.5.1.1","5.5.10","5.5.2","5.5.3","5.5.4","5.5.5","5.5.6","5.5.6.1","5.5.7","5.5.8","5.5.9","5.6.0","5.6.0.1","5.6.0.2","5.6.1","5.6.10","5.6.10.1","5.6.10.2","5.6.11","5.6.12","5.6.13","5.6.14","5.6.15","5.6.16","5.6.17","5.6.2","5.6.3","5.6.4","5.6.5","5.6.5.1","5.6.6","5.6.7","5.6.8","5.6.9","5.6.9.1","5.7.0","5.7.0-beta.1","5.7.0-beta.2","5.7.1","5.7.1.1","5.7.10","5.7.11","5.7.2","5.7.3","5.7.4","5.7.5","5.7.6","5.7.7","5.7.8","5.7.8.1","5.7.8.2","5.7.9","5.8.0","5.8.1","5.8.10","5.8.11","5.8.12","5.8.13","5.8.13.1","5.8.13.2","5.8.14","5.8.15","5.8.16","5.8.17","5.8.18","5.8.19","5.8.2","5.8.20","5.8.21","5.8.3","5.8.4","5.8.5","5.8.6","5.8.7","5.8.8","5.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"craftcms/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-RC1"},{"fixed":"4.16.18"}]}],"versions":["4.0.0","4.0.0-RC1","4.0.0-RC2","4.0.0-RC3","4.0.0.1","4.0.1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.5.1","4.0.5.2","4.0.6","4.1.0","4.1.0.1","4.1.0.2","4.1.1","4.1.2","4.1.3","4.1.4","4.1.4.1","4.10.0","4.10.0-beta.1","4.10.0-beta.2","4.10.1","4.10.2","4.10.3","4.10.4","4.10.5","4.10.6","4.10.7","4.10.8","4.11.0","4.11.0.1","4.11.0.2","4.11.1","4.11.2","4.11.3","4.11.4","4.11.5","4.12.0","4.12.1","4.12.2","4.12.3","4.12.4","4.12.4.1","4.12.5","4.12.6","4.12.6.1","4.12.7","4.12.8","4.12.9","4.13.0","4.13.1","4.13.1.1","4.13.10","4.13.2","4.13.3","4.13.4","4.13.5","4.13.6","4.13.7","4.13.8","4.13.9","4.14.0","4.14.0.1","4.14.0.2","4.14.1","4.14.10","4.14.11","4.14.11.1","4.14.12","4.14.13","4.14.14","4.14.15","4.14.2","4.14.3","4.14.4","4.14.5","4.14.6","4.14.7","4.14.8","4.14.8.1","4.14.9","4.15.0","4.15.0-beta.1","4.15.0-beta.2","4.15.0.1","4.15.0.2","4.15.1","4.15.2","4.15.3","4.15.4","4.15.5","4.15.6","4.15.6.1","4.15.6.2","4.15.7","4.16.0","4.16.1","4.16.10","4.16.11","4.16.12","4.16.13","4.16.14","4.16.15","4.16.16","4.16.17","4.16.2","4.16.3","4.16.4","4.16.5","4.16.6","4.16.6.1","4.16.7","4.16.8","4.16.9","4.16.9.1","4.2.0","4.2.0.1","4.2.0.2","4.2.1","4.2.1.1","4.2.2","4.2.3","4.2.4","4.2.5","4.2.5.1","4.2.5.2","4.2.6","4.2.7","4.2.8","4.3.0","4.3.1","4.3.10","4.3.11","4.3.2","4.3.2.1","4.3.3","4.3.4","4.3.5","4.3.6","4.3.6.1","4.3.7","4.3.7.1","4.3.8","4.3.8.1","4.3.8.2","4.3.9","4.4.0","4.4.0-beta.1","4.4.0-beta.2","4.4.0-beta.3","4.4.0-beta.4","4.4.0-beta.5","4.4.0-beta.6","4.4.0-beta.7","4.4.1","4.4.10","4.4.10.1","4.4.11","4.4.12","4.4.13","4.4.14","4.4.15","4.4.16","4.4.16.1","4.4.17","4.4.2","4.4.3","4.4.4","4.4.5","4.4.6","4.4.6.1","4.4.7","4.4.7.1","4.4.8","4.4.9","4.5.0","4.5.0-beta.1","4.5.0-beta.2","4.5.1","4.5.10","4.5.11","4.5.11.1","4.5.12","4.5.13","4.5.14","4.5.15","4.5.2","4.5.3","4.5.4","4.5.5","4.5.6","4.5.6.1","4.5.7","4.5.8","4.5.9","4.6.0","4.6.0-RC1","4.6.1","4.7.0","4.7.1","4.7.2","4.7.2.1","4.7.3","4.7.4","4.8.0","4.8.1","4.8.10","4.8.11","4.8.2","4.8.3","4.8.4","4.8.5","4.8.6","4.8.7","4.8.8","4.8.9","4.9.0","4.9.1","4.9.2","4.9.3","4.9.4","4.9.5","4.9.6","4.9.7"]}],"products":[{"vendor":"craftcms","product":"cms"},{"vendor":"craftcms","product":"craft_cms"},{"vendor":"statamic","product":"cms"}],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-9f5h-mmq6-2x78","tags":["x_refsource_CONFIRM","Exploit","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/craftcms/cms/commit/cb5fb0e979e72f315c9178fc031883d49527f513","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/craftcms/cms/releases/tag/5.8.22","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/craftcms/cms/releases/tag/4.16.18","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25496","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9f5h-mmq6-2x78"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25496.json","tags":["advisory"]},{"url":"https://github.com/craftcms/cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-25496","title":"Craft has a stored XSS in Number Prefix \u0026 Suffix Fields","description":"Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.","status":"published","published":"2026-02-09T19:45:19.835Z","modified":"2026-02-10T16:00:13.566Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-6845","description":"Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.","status":"published","published":"2026-02-09T19:45:19Z","modified":"2026-02-10T16:00:13Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:42.087959Z"}],"ghsa":[{"id":"GHSA-9f5h-mmq6-2x78","title":"Craft CMS Vulnerable to Stored XSS in Number Prefix \u0026 Suffix Fields","description":"## Summary\n\nA stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the `|md|raw` Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles.\n\n## Proof of Concept\n\n### Required Permissions\n\n- Administrator access\n- `allowAdminChanges` is enabled in production, which is against our [security recommendations](https://craftcms.com/knowledge-base/securing-craft).\n\n### Steps to Reproduce\n1. Log in with an admin account\n2. Navigate to **Settings** → **Fields** → **New field**\n3. Choose **Number** as the field type\n4. Set the **Prefix/Suffix Text** field to: \u003cimg width=\"611\" height=\"908\" alt=\"image\" src=\"https://github.com/user-attachments/assets/63766ca4-4fa9-490b-8bea-37364137527d\" /\u003e\n```html\n\u003cimg src=x onerror=\"alert('Number Prefix/Suffix XSS')\" hidden\u003e\n```\n5. Save the field\n6. Add this field to any element (e.g., User Profile fields via **Settings** → **Users** → **User Fields**)\n7. Navigate to your account (`/admin/myaccount`) or any user profile (`/admin/users/{id}`)\n8. XSS executes when viewing the form \u003cimg width=\"1246\" height=\"677\" alt=\"image-1\" src=\"https://github.com/user-attachments/assets/dafeb2b7-905f-4a4b-b3d6-1c16a905498f\" /\u003e\n\n## Mitigation\nSanitize prefix/suffix before rendering or use `|e` filter instead of `|raw`.","status":"published","published":"2026-02-09T20:35:47Z","modified":"2026-02-09T22:39:06Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:39:23.728882Z"}],"nvd":[{"id":"CVE-2026-25496","description":"Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.","status":"published","published":"2026-02-09T20:15:58.223Z","modified":"2026-06-17T10:24:44.367Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:05.52517Z"}],"osv":[{"id":"CVE-2026-25496","title":"Craft has a stored XSS in Number Prefix \u0026 Suffix Fields","description":"Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.","status":"published","published":"2026-02-09T19:45:19.835Z","modified":"2026-10-28T02:31:02.224215949Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:59.438965Z"},{"id":"GHSA-9f5h-mmq6-2x78","title":"Craft CMS Vulnerable to Stored XSS in Number Prefix \u0026 Suffix Fields","description":"## Summary\n\nA stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the `|md|raw` Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles.\n\n## Proof of Concept\n\n### Required Permissions\n\n- Administrator access\n- `allowAdminChanges` is enabled in production, which is against our [security recommendations](https://craftcms.com/knowledge-base/securing-craft).\n\n### Steps to Reproduce\n1. Log in with an admin account\n2. Navigate to **Settings** → **Fields** → **New field**\n3. Choose **Number** as the field type\n4. Set the **Prefix/Suffix Text** field to: \u003cimg width=\"611\" height=\"908\" alt=\"image\" src=\"https://github.com/user-attachments/assets/63766ca4-4fa9-490b-8bea-37364137527d\" /\u003e\n```html\n\u003cimg src=x onerror=\"alert('Number Prefix/Suffix XSS')\" hidden\u003e\n```\n5. Save the field\n6. Add this field to any element (e.g., User Profile fields via **Settings** → **Users** → **User Fields**)\n7. Navigate to your account (`/admin/myaccount`) or any user profile (`/admin/users/{id}`)\n8. XSS executes when viewing the form \u003cimg width=\"1246\" height=\"677\" alt=\"image-1\" src=\"https://github.com/user-attachments/assets/dafeb2b7-905f-4a4b-b3d6-1c16a905498f\" /\u003e\n\n## Mitigation\nSanitize prefix/suffix before rendering or use `|e` filter instead of `|raw`.","status":"published","published":"2026-02-09T20:35:47Z","modified":"2026-02-22T23:23:27.171729Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:43.524801Z"},{"id":"CLSA-2026-1783904621","title":"TuxCare security update for craftcms/cms (1 CVE)","description":"TuxCare rebuilt craftcms/cms to address 1 CVE. Fixed in 3.9.15-p5+tuxcare.","status":"published","published":"2026-08-04T14:52:43Z","modified":"2026-10-15T09:47:53.54345954Z","updated_at":"2026-11-02T15:43:46.151924Z"}]}}