PT-2026-79770 · Pypi · Justhtml
CVSS v4.0
7.1
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
justhtml versions prior to 1.13.0
Description
A cross-site scripting issue exists in the
to markdown() function during the serialization of attacker-controlled pre content. By placing backticks inside sanitized pre elements, an attacker can break out of fixed-length code fences. This allows raw HTML to execute when the resulting Markdown is processed by CommonMark or GFM-style renderers.Recommendations
Update justhtml to version 1.13.0 or later.
Exploit
Fix
XSS
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Related Identifiers
Affected Products
Justhtml