Description
Typemill is a flat-file, Markdown-based CMS designed for informational documentation websites. A reflected Cross-Site Scripting (XSS) exists in the login error view template `login.twig` of versions 2.19.1 and below. The `username` value can be echoed back without proper contextual encoding when authentication fails. An attacker can execute script in the login page context. This issue has been fixed in version 2.19.2.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| typemill | typemill | < v2.19.2 |
References
- https://github.com/typemill/typemill/commit/b506acd11e80fb9c8db5fa6c2c8ad73580b4e88cPatch
- https://github.com/typemill/typemill/releases/tag/v2.19.2Product, Release Notes
- https://github.com/typemill/typemill/security/advisories/GHSA-65x4-pjhj-r8wrExploit, Third Party Advisory
Timeline
- Published
- Jan 23, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed