The Site Reviews WordPress plugin before 8.3.0 does not prevent request data from being deserialized, and derives the key protecting that data by padding out the site's WordPress nonce key, which makes the key publicly computable on installs where that key is absent, left at its sample value, or too short to be secret. This allows unauthenticated users to inject arbitrary PHP objects on such installs. The Site Reviews WordPress plugin before 8.3.0's own code contains no chain onward from the injected object, so how far it reaches depends on the other code present on the site.
History

Thu, 10 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 10 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

Thu, 10 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Site Reviews WordPress plugin before 8.3.0 does not prevent request data from being deserialized, and derives the key protecting that data by padding out the site's WordPress nonce key, which makes the key publicly computable on installs where that key is absent, left at its sample value, or too short to be secret. This allows unauthenticated users to inject arbitrary PHP objects on such installs. The Site Reviews WordPress plugin before 8.3.0's own code contains no chain onward from the injected object, so how far it reaches depends on the other code present on the site.
Title Site Reviews 7.2.2 - 8.2.2 - Unauthenticated PHP Object Injection via Form Signature
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-10T06:00:06.747Z

Updated: 2026-09-10T13:11:07.358Z

Reserved: 2026-08-31T11:50:40.276Z

Link: CVE-2026-82925

cve-icon Vulnrichment

Updated: 2026-09-10T13:05:45.887Z

cve-icon NVD

Status : Received

Published: 2026-09-10T07:17:03.620

Modified: 2026-09-10T14:17:09.117

Link: CVE-2026-82925

cve-icon Redhat

No data.