CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the blacklist (ban) note parameter in UserController::ajax_blackList_post() is stored in the database without sanitization and rendered into an HTML data-note attribute without escaping. An admin with blacklist privileges can inject arbitrary JavaScript that executes in the browser of any other admin who views the user management page. This vulnerability is fixed in 0.31.4.0.
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Wed, 08 Apr 2026 16:15:00 +0000
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Wed, 08 Apr 2026 15:00:00 +0000
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| Description | CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the blacklist (ban) note parameter in UserController::ajax_blackList_post() is stored in the database without sanitization and rendered into an HTML data-note attribute without escaping. An admin with blacklist privileges can inject arbitrary JavaScript that executes in the browser of any other admin who views the user management page. This vulnerability is fixed in 0.31.4.0. | |
| Title | CI4MS has Stored XSS via Unescaped Blacklist Note in Admin User List | |
| Weaknesses | CWE-79 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-04-08T14:30:18.750Z
Updated: 2026-04-08T15:18:08.667Z
Reserved: 2026-04-06T22:06:40.516Z
Link: CVE-2026-39391
Updated: 2026-04-08T15:18:00.203Z
Status : Received
Published: 2026-04-08T15:16:13.897
Modified: 2026-04-08T16:16:26.500
Link: CVE-2026-39391
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