CVE-2026-12426
Members <= 3.2.22 - Unauthenticated Sensitive Information Disclosure via REST API Pagination Side Channel
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jul 11, 2026
- Updated
- Jul 14, 2026
- Reserved
- Jun 16, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | Wordfence |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
Members – Membership & User Role Editor Pluginsupercleanse |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9c3557a6-aa72-496c-8515-2f6055de6b22?source=cve
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-content-permissions.php#L337
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-private-site.php#L42
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-content-permissions.php#L337
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-private-site.php#L42
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3594293%40members%2Ftrunk&old=3552545%40members%2Ftrunk&sfp_email=&sfph_mail=
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