Security Advisory

CVE-2026-53468

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-21 21:16:07

Last updated 2026-08-21 21:16:07

Assigner GitHub_M

CVSS score 4.6

State PUBLISHED

Description

Typemill is a flat-file, Markdown-based content management system designed for informational documentation websites. Versions prior to 2.23.0 are vulnerable to stored HTML attribute injection in the page metadata fields (`og:title` and `og:description`). An authenticated user with permission to modify page metadata can inject arbitrary HTML attributes into generated `<meta>` tags due to missing output encoding. Under certain browser or DOM interaction scenarios, this may lead to stored cross-site scripting (XSS). Version 2.23.0 fixes the issue.

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