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CVE-2022-23499: TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting

medium Affects typo3/cms, typo3/html-sanitizer, typo3/cms-core. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.33 or >=11.0.0 and <11.5.20 or >=12.0.0 and <12.1.1
Fixed in
10.4.33, 11.5.20, 12.1.1
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (40.4th percentile)
Published
2022-12-13
Source
osv.dev

References

TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting

Package
typo3/html-sanitizer Composer
Affected versions
>=1.0.0 and <1.5.0 or >=2.0.0 and <2.1.1
Fixed in
1.5.0, 2.1.1
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (40.4th percentile)
Published
2022-12-13
Source
osv.dev

References

TYPO3-CORE-SA-2022-017: By-passing Cross-Site Scripting Protection in HTML Sanitizer

Package
typo3/cms-core Composer
Affected versions
>=10.0.0 and <10.4.33 or >=11.0.0 and <11.5.20 or >=12.0.0 and <12.1.1
Fixed in
10.4.33, 11.5.20, 12.1.1
Severity
unknown
Exploitation
not on CISA KEV · EPSS 0% (40.4th percentile)
Source
friendsofphp

References

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

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