Server-Side Request Forgery (SSRF) in Excel Library - CVE-2025-54370
Published: September 16, 2025
Vulnerability identifier: #VU115228
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-54370
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Excel Library
Forms Export
IBM API Connect
Forms Export
IBM API Connect
How to mitigate CVE-2025-54370
Install updates from vendor's website.
Excel Library - update to 5.1.0
IBM API Connect - update to 10.0.8.5
Forms Export - addressed in versions 5.0.4, 6.1.2
IBM API Connect - update to 10.0.8.5
Forms Export - addressed in versions 5.0.4, 6.1.2
External 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