Simple Membership <= 4.8.7 - Unauthenticated Sensitive Information Exposure via Protected Post Comments

Medium 5.3 CWE-200Fixed in 4.8.8
ID
WPSEC-2026-2865
Plugin
Simple Membership (simple-membership)
Affected
all versions before 4.8.8
Remediation
Update to 4.8.8 or later.
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Usage
Plugin Medium · Affected versions Medium among sites WPSec scans, 2026-11-12
Attack surface
Simple Membership on WPSec AttackSurface
Fix released
Published

Description

The Simple Membership plugin for WordPress is vulnerable to Sensitive Information Exposure via the comment protection feature in all versions up to, and including, 4.8.7, due to the comment_text filter checking access only against the global $comment variable. Renderers that do not set that variable, such as the Comment Content block of block themes (for example, Twenty Twenty-Five) and the REST API comments endpoint, therefore skip the check. This makes it possible for unauthenticated attackers to read comments on posts and pages restricted to members.

References

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