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Vulnerability record · CVE-2026-15354 · published 4 September 2026

CVE-2026-15354: Improper privilege management vulnerability

The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user's email address and password, including an administrator's, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.

9.8 CVSS 3.1 Critical EPSS 0.30% · top 79.7% CWE-269 · Improper privilege management Deferred
9.8CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
4 Sep 2026Last modified by NVD

Description

The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user's email address and password, including an administrator's, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.

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

References

LinkTags
https://acpt.io/changelog/
https://www.wordfence.com/threat-intel/vulnerabilities/id/abc138f5-0bb7-4ce3-a504-89580021bedb?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-15354), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.