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Vulnerability · Published Jul 20, 2021 · Assigned by GitHub_M

CVE-2021-32669Cross-Site Scripting in Backend Grid View

Medium 6.4

In plain English

A medium-severity cross-site scripting in TYPO3.CMS from TYPO3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.6%top 51.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagisttypo3/cms10.4.18GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms11.3.1GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms9.5.28GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms-core8.7.41GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms-core11.3.1GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms-core9.5.28GHSA-rgcg-28xm-8mmw
Packagisttypo3/cms-core10.4.18GHSA-rgcg-28xm-8mmw

Affected products (as reported)

VendorProductVersions
TYPO3 TYPO3.CMS >= 9.0.0, < 9.5.29>= 10.0.0, < 10.4.18>= 11.0.0, < 11.3.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

References