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GHSA-c5wx-6c2c-f7rm

TYPO3 CMS vulnerable to Arbitrary Code Execution via Form Framework

Source: GitHub Advisory Database (reviewed) High CVE-2022-23503

Packages

EcosystemPackageAffectedFixed in
Packagist typo3/cms-core >= 8.0.0, < 8.7.49 8.7.49
Packagist typo3/cms-core >= 9.0.0, < 9.5.38 9.5.38
Packagist typo3/cms-core >= 10.0.0, < 10.4.33 10.4.33
Packagist typo3/cms-core >= 11.0.0, < 11.5.20 11.5.20
Packagist typo3/cms-core >= 12.0.0, < 12.1.1 12.1.1
Packagist typo3/cms >= 10.0.0, < 10.4.33 10.4.33
Packagist typo3/cms >= 11.0.0, < 11.5.20 11.5.20
Packagist typo3/cms >= 12.0.0, < 12.1.1 12.1.1

Details

As written in the advisory (Markdown source, shown as plain text).

### Problem Due to the lack of separating user-submitted data from the internal configuration in the Form Designer backend module, it was possible to inject code instructions to be processed and executed via TypoScript as PHP code. The existence of individual TypoScript instructions for a particular form item (known as [`formDefinitionOverrides`](https://docs.typo3.org/c/typo3/cms-form/main/en-us/I/Concepts/FrontendRendering/Index.html#form-element-properties)) and a valid backend user account with access to the form module are needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 8.7.49 ELTS, 9.5.38 ELTS, 10.4.33, 11.5.20, 12.1.1 that fix the problem described above. ### References * [TYPO3-CORE-SA-2022-015](https://typo3.org/security/advisory/typo3-core-sa-2022-015)

References

External links from the advisory. They lead to third-party sites.