SB20250521142 - Multiple vulnerabilities in TYPO3

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2025-47941)

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to insufficient enforcement of access restrictions on all backend routes. A remote administrator can bypass .multifactor authentication (MFA) dialog presented during backend login.

2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-47936)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Remediation

Install update from vendor's website.

References

• https://github.com/TYPO3/typo3/security/advisories/GHSA-744g-7qm9-hjh9
• https://typo3.org/security/advisory/typo3-core-sa-2025-015
• https://github.com/TYPO3/typo3/security/advisories/GHSA-p4xx-m758-3hpx
• https://typo3.org/security/advisory/typo3-core-sa-2025-012