CVE-2026-87828 — MEDIUM (5.7)

Vulnerability 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).

CVSS Score

5.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-400

References

https://wpscan.com/vulnerability/ce546b34-4383-4166-9b87-335a524f37e2/

FAQ

What is CVE-2026-87828?

CVE-2026-87828 is a vulnerability with a CVSS score of 5.7 (MEDIUM). 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 mal...

How severe is CVE-2026-87828?

CVE-2026-87828 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87828?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.