SB2025091634 - Server-Side Request Forgery (SSRF) in Base Excel extension for TYPO3
Published: September 16, 2025
Security Bulletin ID
SB2025091634
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-54370)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to the affected extension bundles a vulnerable version of "phpoffice/phpspreadsheet". A remote attacker 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/PHPOffice/PhpSpreadsheet/commit/334a67797ace574d1d37c0992ffe283b7415471a
- https://github.com/PHPOffice/PhpSpreadsheet/commit/4050f14521d70634c3320b170236574a6106eb39
- https://github.com/PHPOffice/PhpSpreadsheet/commit/81a0de2261f698404587a6421a5c6eb263c40b31
- https://github.com/PHPOffice/PhpSpreadsheet/commit/ac4befd2f7ccc21a59daef606a02a3d1828ade09
- https://github.com/PHPOffice/PhpSpreadsheet/commit/c2cd0e64392438e4c6af082796eb65c1d629a266
- https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-rx7m-68vc-ppxh