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Vulnerability · Published Nov 23, 2020 · Assigned by GitHub_M

CVE-2020-26227Cross-Site Scripting in Fluid view helpers

Medium 6.1

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 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.7%top 45.8% 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. In TYPO3 before versions 9.5.23 and 10.4.10 the system extension Fluid (typo3/cms-fluid) of the TYPO3 core is vulnerable to cross-site scripting passing user-controlled data as argument to Fluid view helpers. Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagisttypo3/cms10.4.10GHSA-vqqx-jw6p-q3rf
Packagisttypo3/cms9.5.23GHSA-vqqx-jw6p-q3rf
Packagisttypo3/cms8.7.38GHSA-vqqx-jw6p-q3rf
Packagisttypo3/cms-core9.5.23GHSA-vqqx-jw6p-q3rf
Packagisttypo3/cms-core10.4.10GHSA-vqqx-jw6p-q3rf
Packagisttypo3/cms-core8.7.38GHSA-vqqx-jw6p-q3rf

Affected products (as reported)

VendorProductVersions
TYPO3 TYPO3.CMS >= 9.0.0, < 9.5.23>= 10.0.0, < 10.4.10

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

References