CVE-2021-21370 – typo3/cms-core

Package

Manager: composer
Name: typo3/cms-core
Vulnerable Version: >=10.0.0 <10.4.14 || >=11.0.0 <11.1.1 || >=9.0.0 <9.5.25

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

EPSS: 0.00342 pctl0.56173

Details

Cross-Site Scripting in Content Preview (CType menu) ### Problem It has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 that fix the problem described. ### Credits Thanks to TYPO3 contributor Oliver Bartsch who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2021-008](https://typo3.org/security/advisory/typo3-core-sa-2021-008)

Metadata

Created: 2021-03-23T01:54:17Z
Modified: 2024-02-02T16:44:14Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-x7hc-x7fm-f7qh/GHSA-x7hc-x7fm-f7qh.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-x7hc-x7fm-f7qh
Finding: F425
Auto approve: 1