CVE-2025-7969

Markdown-it 14.1.0 - Cross-site scripting (XSS)

State: Published
Severity: 6.9 Medium
Published: Aug 21, 2025
Updated: Dec 3, 2025
Reserved: Jul 21, 2025

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in markdown-it allows Cross-Site Scripting (XSS). This vulnerability is associated with program files lib/renderer.mjs.

This issue affects markdown-it: 14.1.0. NOTE: the Supplier does not consider this issue to be a vulnerability.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	Fluid Attacks

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
markdown-itmarkdown-it	14.1.0Affected

References

https://fluidattacks.com/advisories/fitothird-party-advisory
https://github.com/markdown-it/markdown-itproduct
https://github.com/markdown-it/markdown-it/issues/1122

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