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Mistune toc / TableOfContents directive: heading IDs use predictable `toc_N` numbering with no slugification, allowing collision with attacker-controlled `id="toc_N"` content

🗓️ 20 Jul 2026 21:35:11Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

Predictable toc_N IDs are generated without slugifying text, risking collisions and hijacking.

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20 Jul 2026 21:35Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.14.3
EPSS0.00128
SSVC
5