PT-2021-3863 · Typo3 · Typo3

Oliver Bartsch · Published 2021-07-20 · Updated 2024-03-06 · CVE-2021-32669

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 failure to properly encode settings for backend layouts, making the corresponding grid view vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability.

Recommendations Update to TYPO3 version 9.5.29 to fix the issue. Update to TYPO3 version 10.4.18 to fix the issue. Update to TYPO3 version 11.3.1 to fix the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2021-04221

BIT-TYPO3-2021-32669

CVE-2021-32669

GHSA-RGCG-28XM-8MMW

Affected Products

Typo3

References · 10

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml · Exploit
• https://typo3.org/security/advisory/typo3-core-sa-2021-011 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-typo3-2021-32669 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-32669 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04221 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-32669 · Security Note
• https://osv.dev/vulnerability/GHSA-rgcg-28xm-8mmw · Vendor Advisory
• https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw · Note
• https://t.me/cvenotify/18323 · Telegram Post