GHSA-76r3-m635-p3vc: TYPO3 Cross-Site Scripting in Language Pack Handling

medium Affects typo3/cms-core. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

TYPO3 Cross-Site Scripting in Language Pack Handling

Package
typo3/cms-core Composer
Affected versions
>=9.2.0 and <9.5.4
Fixed in
9.5.4
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV
Published
2024-05-30
Source
osv.dev

References

CWE-79
NVD recordtypo3/cms-core advisories

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)
composer require --dev phpwarden/phpwarden
# then
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