CVE-2026-24127

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p19

Published

Jan 23, 2026 (Jan 23, 2026)

Modified

Jun 17, 2026

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.

Vendors: typemill
Products: typemill
Weakness: CWE-79, CWE-116
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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