CVE-2021-32667

MEDIUM

TYPO3 9.0.0-9.5.28, 10.0.0-10.4.17, 11.0.0-11.3.0 - Authenticated Stored Cross-Site Scripting in Page TSconfig

Title source: llm

Description

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

References (2)

Core 2

Core References

Third Party Advisory x_refsource_confirm

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf

Vendor Advisory x_refsource_misc

https://typo3.org/security/advisory/typo3-core-sa-2021-009

Scores

CVSS v3 6.4

EPSS 0.0042

EPSS Percentile 61.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Details

CWE

CWE-79

Status published

Products (3)

typo3/cms 10.0.0 - 10.4.18Packagist

typo3/cms-core 9.0.0 - 9.5.28Packagist

typo3/typo3 9.0.0 - 9.5.287

Published Jul 20, 2021

Tracked Since Feb 18, 2026