CVE-2026-75860
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductJSON Options
PublishedAug 20, 2026
First seenAug 20, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| JSON Options | v ≤ 0.0.4 | — |
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