CVE-2026-24127

EUVD-2026-4692
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
GitHub_MCNA
5.4 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Affected Products (NVD)
VendorProductVersion
typemilltypemill
𝑥
< 2.19.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/typemill/typemill/commit/b506acd11e80fb9c8db5fa6c2c8ad73580b4e88c
https://github.com/typemill/typemill/releases/tag/v2.19.2
https://github.com/typemill/typemill/security/advisories/GHSA-65x4-pjhj-r8wr