CVE-2026-75860
CriticalCVSS 9.8Summary
The JSON Options WordPress plugin through 0.0.4 lacks capability checks and nonce verification on one action, 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.
Risk Assessment
The risk includes full takeover of the WordPress site by an unauthenticated attacker, potentially leading to data breaches and further attacks.
Recommendation
Remove the plugin immediately or update to a patched version, and review user privileges.
Original NVD description (English source)
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.

