GHSA-hq37-rfjc-mr8h: Cross-Site Scripting (XSS) in TYPO3 Backend

medium Affects typo3/cms. Feed 2026.10.29.1, updated 2026-10-28; published 2024-06-05; advisory modified 2024-12-02.

Cross-Site Scripting (XSS) in TYPO3 Backend

Package: typo3/cms Composer
Affected versions: >=6.2.0 and <6.2.27 or >=7.6.0 and <7.6.11 or >=8.0.0 and <8.3.1
Fixed in: 6.2.27, 7.6.11, 8.3.1
Severity: medium
Exploitation: not on CISA KEV
Published: 2024-06-05
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
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