Security Advisory

CVE-2025-52561

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-06-23 21:00:13

Last updated 2025-06-24 18:04:25

Assigner GitHub_M

State PUBLISHED

Description

HTMLSanitizer.jl is a Whitelist-based HTML sanitizer. Prior to version 0.2.1, when adding the style tag to the whitelist, content inside the tag is incorrectly unescaped, and closing tags injected as content are interpreted as real HTML, enabling tag injection and JavaScript execution. This could result in possible cross-site scripting (XSS) in any HTML that is sanitized with this library. This issue has been patched in version 0.2.1. A workaround involves adding the math and svg elements to the whitelist manually.

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