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CVE-2023-24814: TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering

high Affects typo3/cms, typo3/cms-core. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.35 or >=11.0.0 and <11.5.23 or >=12.0.0 and <12.2.0
Fixed in
10.4.35, 11.5.23, 12.2.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (57.5th percentile)
Published
2023-02-08
Source
osv.dev

References

TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering

Package
typo3/cms-core Composer
Affected versions
>=12.0.0 and <12.2.0 or >=11.0.0 and <11.5.23 or >=10.0.0 and <10.4.36 or >=9.0.0 and <9.5.40 or >=8.7.0 and <8.7.51 or >=10.0.0 and <10.4.35
Fixed in
12.2.0, 11.5.23, 10.4.36, 9.5.40, 8.7.51
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (57.5th percentile)
Published
2023-02-08
Source
osv.dev

References

CWE-79
NVD recordtypo3/cms advisoriestypo3/cms-core advisories

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