Threats Tagged 'cve-2026-44898'
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Threats Tagged 'cve-2026-44898'
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CVE-2026-44898: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in lepture mistuneCVE-2026-44898 0 Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, render_toc_ul() builds a <ul> table-of-contents tree from a list of (level, id, text) tuples. Both the id value (used as href="#<id>") and the text value (used as the visible link label) are inserted into <a> tags via a plain Python format string — with no HTML escaping applied to either value. When heading IDs are derived from user-supplied heading text (the standard use-case for readable slug anchors), an attacker can craft a heading whose text breaks out of the href="#..." attribute context, injecting arbitrary HTML tags including <script> blocks directly into the rendered TOC. This vulnerability is fixed in 3.2.1. Join the discussion | CVE Database V5 | 05/26/2026, 20:41:53 UTC Added: 05/27/2026, 18:33:36 UTC |
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