SB2025012852 - Account takeover in OpenID Connect Authentication extension for Typo3
Published: January 28, 2025
Security Bulletin ID
SB2025012852
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authorization (CVE-ID: CVE-2025-24856)
The vulnerability allows a remote attacker to hijack accounts.
The vulnerability exists due to an issue in account linking logic. A remote attacker can register a public frontend user account using email address before the user's first OIDC login and take over victim's account after oidc is used at a later stage.
Remediation
Install update from vendor's website.