Medium severity4.8NVD Advisory· Published Apr 8, 2026· Updated Apr 16, 2026
CVE-2026-39391
CVE-2026-39391
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ci4-cms-erp/ci4msPackagist | < 0.31.4.0 | 0.31.4.0 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-7cm9-v848-cfh2nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-7cm9-v848-cfh2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-39391ghsaADVISORY
- github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.4.0ghsaWEB
News mentions
0No linked articles in our index yet.