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CVE-2021-21355: Unrestricted File Upload in Form Framework

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

Unrestricted File Upload in Form Framework

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1 or >=9.0.0 and <9.5.25
Fixed in
10.4.14, 11.1.1, 9.5.25
Severity
high  CVSS 8.6
Exploitation
not on CISA KEV · EPSS 2% (76.2th percentile)
Published
2021-03-23
Source
osv.dev

References

Unrestricted File Upload in Form Framework

Package
typo3/cms-core Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1 or >=9.0.0 and <9.5.25
Fixed in
10.4.14, 11.1.1, 9.5.25
Severity
high  CVSS 8.6
Exploitation
not on CISA KEV · EPSS 2% (76.2th percentile)
Published
2021-03-23
Source
osv.dev

References

Unrestricted File Upload in Form Framework

Package
typo3/cms-form Composer
Affected versions
>=8.0.0 and <8.7.40 or >=9.0.0 and <9.5.25 or >=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1
Fixed in
8.7.40, 9.5.25, 10.4.14, 11.1.1
Severity
high  CVSS 8.6
Exploitation
not on CISA KEV · EPSS 2% (76.2th percentile)
Published
2021-03-23
Source
osv.dev

References

CWE-434CWE-552
NVD recordtypo3/cms advisoriestypo3/cms-core advisoriestypo3/cms-form advisories

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