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GHSA-hww5-6x85-mc24mediumNo CVE assigned

Typo3 Arbitrary Code Execution and Cross-Site Scripting in Backend API

Impact

Backend API configuration using Page TSconfig is vulnerable to arbitrary code execution and cross-site scripting. TSconfig fields of page properties in backend forms can be used to inject malicious sequences. Field tsconfig_includes is vulnerable to directory traversal leading to same scenarios as having direct access to TSconfig settings.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

typo3/cms Packagist
Affected rangeRecorded fix
From 8.0.0 before 8.7.27Ecosystem versions8.7.27
From 9.0.0 before 9.5.8Ecosystem versions9.5.8

Version evidence: OSV · GHSA-hww5-6x85-mc24

View original version evidence (59 explicit versions)

Original source description

Backend API configuration using Page TSconfig is vulnerable to arbitrary code execution and cross-site scripting. TSconfig fields of page properties in backend forms can be used to inject malicious sequences. Field tsconfig_includes is vulnerable to directory traversal leading to same scenarios as having direct access to TSconfig settings.

A valid backend user account having access to modify values for fields pages.TSconfig and pages.tsconfig_includes is needed in order to exploit this vulnerability.

References