CVE-2025-46734: league/commonmark contains a XSS vulnerability in Attributes extension

medium Affects league/commonmark. Feed 2026.10.29.1, updated 2026-10-28; published 2025-05-05; advisory modified 2026-03-20.

league/commonmark contains a XSS vulnerability in Attributes extension

Package: league/commonmark Composer
Affected versions: >=1.5.0 and <2.7.0
Fixed in: 2.7.0
Severity: medium CVSS 6.4
Exploitation: not on CISA KEV · EPSS 0% (31.7th percentile)
Published: 2025-05-05
Source: osv.dev

References

CWE-79

NVD record league/commonmark advisories

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