CVE-2026-87828

MEDIUM CVSS 3.1: 5.7 EPSS 0.32%
Updated Sep 17, 2026
WordPress
Parameter Value
CVSS 5.7 (MEDIUM)
Affected Versions before 2.29.24
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor WordPress
Public PoC No

The Seraphinite Accelerator WordPress plugin before 2.29.24 does not perform a capability check on one of its state-update AJAX actions, allowing authenticated users such as subscribers to write a malformed value that causes an uncaught error on every subsequent admin page load, making the entire admin area inaccessible to all administrators (denial of service).

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1