CVE-2021-21340

State: PUBLISHED · Published: 2021-03-23 · Updated: 2024-08-03 · Assigner: GitHub_M

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1 .

CWE

CWE-79 — CWE-79 Cross-site Scripting (XSS)

Affected

TYPO3 / TYPO3.CMS — v=>= 10.0.0, <= 10.4.13 [affected]; v=>= 11.0.0, <= 11.1.0 [affected]

CVSS

3.1 score=5.4 severity=MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92 x_refsource_CONFIRM
https://packagist.org/packages/typo3/cms-backend x_refsource_MISC
https://typo3.org/security/advisory/typo3-core-sa-2021-007 x_refsource_MISC

Source

cvelistV5-main/cves/2021/21xxx/CVE-2021-21340.json