CVE-2018-20583: PHP League CommonMark vulnerable to Cross-Site Scripting (XSS)

medium Affects league/commonmark. Feed 2026.10.29.1, updated 2026-10-28; published 2022-05-14; advisory modified 2024-02-16.

PHP League CommonMark vulnerable to Cross-Site Scripting (XSS)

Package: league/commonmark Composer
Affected versions: >=0.15.6 and <0.18.1
Fixed in: 0.18.1
Severity: medium CVSS 6.1
Exploitation: not on CISA KEV · EPSS 2% (79.2th percentile)
Published: 2022-05-14
Source: osv.dev

References

CWE-79

NVD record league/commonmark advisories

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