🔐 CVE Alert

CVE-2026-12426

MEDIUM 5.3

Members <= 3.2.22 - Unauthenticated Sensitive Information Disclosure via REST API Pagination Side Channel

CVSS Score
5.3
EPSS Score
0.3%
EPSS Percentile
19th

The Members – Membership & User Role Editor Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.2.22 via the members_filter_protected_posts_for_rest. This makes it possible for unauthenticated attackers to extract determine the existence and exact count of access-restricted posts, and use per-page pagination as a boolean oracle to infer keywords and content contained within those hidden restricted posts.

CWE CWE-200
Vendor supercleanse
Product members – membership & user role editor plugin
Published Jul 11, 2026
Last Updated Jul 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

supercleanse / Members – Membership & User Role Editor Plugin
0 ≤ 3.2.22

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/9c3557a6-aa72-496c-8515-2f6055de6b22?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-content-permissions.php#L337 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-private-site.php#L42 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-content-permissions.php#L337 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-private-site.php#L42 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3594293%40members%2Ftrunk&old=3552545%40members%2Ftrunk&sfp_email=&sfph_mail=

Credits

Huazu Jiang (anjhz0318)