Auth bypass in User Access Manager

CVE-2026-18035

The User Access Manager WordPress plugin before 2.3.15 does not apply its access restrictions to REST API requests, allowing unauthenticated attackers to read the content of posts, pages and custom post types that have been restricted to specific user groups.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18035: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • User Access Manager — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18035?
CVE-2026-18035 is a medium-severity vulnerability in User Access Manager, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-12.
How severe is CVE-2026-18035?
Medium severity. CVSS v3 base score is 5.3 out of 10.