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CVE-2021-21358: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1
Fixed in
10.4.14, 11.1.1
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (58.7th percentile)
Published
2021-03-23
Source
osv.dev

References

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

Package
typo3/cms-core Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1
Fixed in
10.4.14, 11.1.1
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (58.7th percentile)
Published
2021-03-23
Source
osv.dev

References

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

Package
typo3/cms-form Composer
Affected versions
>=10.2.0 and <10.4.14 or >=11.0.0 and <11.1.1
Fixed in
10.4.14, 11.1.1
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (58.7th percentile)
Published
2021-03-23
Source
osv.dev

References

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

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