PT-2021-3864 · Typo3 · Typo3

Oliver Bartsch · Published 2021-07-20 · Updated 2024-03-06 · CVE-2021-32667

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TYPO3 versions 9.0.0 through 9.5.28 TYPO3 versions 10.0.0 through 10.4.17 TYPO3 versions 11.0.0 through 11.3.0

Description The issue is related to the implementation of the Page TSconfig configuration in the TYPO3 content management system, which fails to properly encode settings, making the corresponding page preview module vulnerable to persistent cross-site scripting attacks. A valid backend user account is required to exploit this vulnerability.

Recommendations For versions 9.0.0 through 9.5.28, update to version 9.5.29. For versions 10.0.0 through 10.4.17, update to version 10.4.18. For versions 11.0.0 through 11.3.0, update to version 11.3.1.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2021-04222

BIT-TYPO3-2021-32667

CVE-2021-32667

GHSA-8MQ9-FQV8-59WF

Affected Products

Typo3

References · 11

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32667.yaml · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32667.yaml · Exploit
• https://typo3.org/security/advisory/typo3-core-sa-2021-009 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-8mq9-fqv8-59wf · Vendor Advisory
• https://osv.dev/vulnerability/BIT-typo3-2021-32667 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32667 · Security Note
• https://bdu.fstec.ru/vul/2021-04222 · Security Note
• https://osv.dev/vulnerability/CVE-2021-32667 · Vendor Advisory
• https://github.com/TYPO3/typo3 · Note
• https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf · Note
• https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf · Note