CVE-2026-75860

JSON Options <= 0.0.4 - Unauthenticated Arbitrary Options Update

Published Aug 20, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions json Options
Vendors & Products Wordpress-extensions
Wordpress-extensions json Options
Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title JSON Options <= 0.0.4 - Unauthenticated Arbitrary Options Update
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 20, 2026, 9:37 AM
Reserved
Aug 18, 2026, 11:04 AM
Status
Deferred
Published
Aug 20, 2026, 6:17 AM
Modified
Aug 26, 2026, 4:30 PM