CVE-2026-75860 — CRITICAL (9.8)

Vulnerability Description

The JSON Options WordPress plugin through 0.0.4 does not have any capability check or nonce verification on one of its actions, which runs on every request and is available to unauthenticated users, allowing them to update arbitrary WordPress options. This can be leveraged to enable user registration and set the default role to administrator, leading to privilege escalation and full site takeover.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-269

References

https://wpscan.com/vulnerability/6c9bbd44-cd10-40e2-af6f-440e7ccabf9a/

FAQ

What is CVE-2026-75860?

CVE-2026-75860 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The JSON Options WordPress plugin through 0.0.4 does not have any capability check or nonce verification on one of its actions, which runs on every request and is available to unauthenticated users, a...

How severe is CVE-2026-75860?

CVE-2026-75860 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-75860?

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