CVE-2026-24127

low-risk

Published 2026-01-23

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.

Do I need to act?

0.09% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Typemill

Affected Vendors

Typemill

References (3)

Patch https://github.com/typemill/typemill/commit/b506acd11e80fb9c8db5fa6c2c8ad73580b4...

Product https://github.com/typemill/typemill/releases/tag/v2.19.2

Third Party Advisory https://github.com/typemill/typemill/security/advisories/GHSA-65x4-pjhj-r8wr

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal