CVE-2021-32667 – typo3/cms-core

Package

Manager: composer
Name: typo3/cms-core
Vulnerable Version: >=9.0.0 <9.5.28 || >=10.0.0 <10.4.18 || >=11.0.0 <11.3.1

Severity

Level: Medium

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

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

EPSS: 0.00415 pctl0.60799

Details

Cross-Site Scripting in Page Preview > ### Meta > * CVSS: `CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC` (5.0) ### Problem Failing to properly encode _Page TSconfig_ settings, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 9.5.28, 10.4.18, 11.3.1 that fix the problem described. ### Credits Thanks to TYPO3 core merger Oliver Bartsch who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2021-009](https://typo3.org/security/advisory/typo3-core-sa-2021-009)

Metadata

Created: 2021-07-22T19:34:43Z
Modified: 2021-08-31T21:22:31Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/07/GHSA-8mq9-fqv8-59wf/GHSA-8mq9-fqv8-59wf.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-8mq9-fqv8-59wf
Finding: F425
Auto approve: 1