What’s Vulnerable › Vulnerabilities
CVE-2026-87828: Seraphinite Accelerator < 2.29.24 - Subscriber+ DoS via seraph_accel_State Update
- Severity: medium (CVSS 5.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-16 · updated 2026-09-17
- Weakness: CWE-400
Description
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).
Affected products
- seraphinitesoft Seraphinite Accelerator: before 2.29.24 — fixed in 2.29.24
How to fix
Upgrade to a fixed version: seraphinitesoft Seraphinite Accelerator 2.29.24. Check the vendor advisory for mitigations.
References
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