CVE-2023-50459 TYPO3 CVE debrief

Who should care

Defenders responsible for TYPO3 installations using the femanager extension should assess exposure and prioritize verification of frontend user permissions. This includes reviewing and updating the femanager extension to version 7.2.3 or later, monitoring TYPO3 installations for potential exploitation attempts, and ensuring that all frontend users have the correct permissions. Security teams and vulnerability management teams should also be aware of this 5

Why it matters

CVE-2023-50459 is a vulnerability in the femanager extension for TYPO3 that allows an authenticated frontend user to edit or delete data of various frontend users. Defenders responsible for TYPO3 installations using the femanager extension should assess exposure and prioritize verification of frontend user permissions.

• Verification of frontend user permissions is required to prevent unauthorized data edits or deletions.
• TYPO3 installations using the femanager extension may be vulnerable to exploitation attempts.
• Defenders should review and update the femanager extension to version 7.2.3 or later to address the vulnerability.

Technical summary

The femanager extension for TYPO3 fails to check access permissions for the edit user component, allowing an authenticated frontend user to edit or delete data of various frontend users. This vulnerability was discovered in versions 7.x before 7.2.3 and has been assigned a CVSS score of 5.4. The issue can be addressed by updating the femanager extension to version 7.2.3 or later. Defenders should prioritize verifying exposure of TYPO3 installations using the femanager extension and ensuring that all frontend users have the correct permissions.

Defensive priority

Defenders should prioritize verifying exposure of TYPO3 installations using the femanager extension and ensuring that all frontend users have the correct permissions.

Recommended defensive actions

• Verify TYPO3 installations using the femanager extension and ensure that all frontend users have the correct permissions.
• Review and update the femanager extension to version 7.2.3 or later.
• Monitor TYPO3 installations for potential exploitation attempts.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, its CVSS score, and references to the TYPO3 security advisory. The femanager extension for TYPO3 fails to check access permissions for the edit user component, allowing an authenticated frontend user to edit or delete data of various frontend users. Evidence is limited to public CVE and NVD details. Defenders should verify TYPO3 installations using the femanager extension and review user permissions.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.