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CVE-2020-11066: Class destructors causing side-effects when being unserialized in TYPO3 CMS

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

Class destructors causing side-effects when being unserialized in TYPO3 CMS

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.2 or >=9.0.0 and <9.5.17
Fixed in
10.4.2, 9.5.17
Severity
high  CVSS 8.7
Exploitation
not on CISA KEV · EPSS 2% (74.4th percentile)
Published
2020-05-13
Source
osv.dev

References

Class destructors causing side-effects when being unserialized in TYPO3 CMS

Package
typo3/cms-core Composer
Affected versions
>=9.0.0 and <9.5.17 or >=10.0.0 and <10.4.2
Fixed in
9.5.17, 10.4.2
Severity
high  CVSS 8.7
Exploitation
not on CISA KEV · EPSS 2% (74.4th percentile)
Published
2020-05-13
Source
osv.dev

References

CWE-1321CWE-915
NVD recordtypo3/cms advisoriestypo3/cms-core advisories

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