CVE-2026-12426
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- 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/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/changeset?sfp_email=&sfph_mail=&reponame=&new=3594293%40members%2Ftrunk&old=3552545%40members%2Ftrunk&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9c3557a6-aa72-496c-8515-2f6055de6b22?source=cve
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.