CVE-2026-47345

Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.

CVSS

No CVSS.

References

Link	Resource
https://github.com/TYPO3/html-sanitizer/commit/8b5d0be44ded457ca993ec9ca93d859941c63764
https://typo3.org/security/advisory/typo3-core-sa-2026-006

Configurations

No configuration.

History

23 Jul 2026, 08:10

Type	Values Removed	Values Added
Summary		(es) Los atributos de espacio de nombres no se codifican correctamente durante la serialización HTML. Esto permite eludir el mecanismo de prevención de cross-site scripting de typo3/html-sanitizer anterior a la versión 2.3.2.

08 Jun 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-08 20:17

Updated : 2026-07-23 08:10

NVD link : CVE-2026-47345

Mitre link : CVE-2026-47345

CVE.ORG link : CVE-2026-47345

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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