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Vulnerability record · CVE-2026-75860 · published 20 August 2026

CVE-2026-75860: Improper privilege management vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.50% · top 59.7% CWE-269 · Improper privilege management Deferred
9.8CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

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

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-75860), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.