CVE-2026-12426

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

MEDIUM
5.3
CVSS Score
Published: July 11, 2026 at 02:31 AM UTC
Updated: July 14, 2026 at 03:16 PM UTC
1 product affected across 1 vendorMembers

Using Members – Membership & User Role Editor Plugin by supercleanse?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Members· Supercleansewordpress-plugin
60%
v ≤ 3.2.22

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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