TI-2024-10273 Aliases CVE-2024-11088 GHSA-mrp2-g378-9whc

Simple Membership <= 4.5.5 - Exposure of Private Personal Information to an Unauthorized Actor

MEDIUM 40CWE-200Published 2024-11-21 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

The Simple Membership plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.5.5 via the WordPress core search feature. This makes it possible for unauthenticated attackers to extract sensitive data from posts that have been restricted to higher-level roles such as administrator.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00627 50th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
wpinsider-1	Simple Membership	up to 4.5.5	—	No fix listed	CNA

Simple Membership Vendorwpinsider-1 Affected up to 4.5.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:simple-membership-plugin:simple_membership::::::wordpress::*	before 4.5.6	Vulnerable	wpinsider-1

cpe:2.3:a:simple-membership-plugin:simple_membership:*:*:*:*:*:wordpress:*:* Versions before 4.5.6 Vulnerable ·wpinsider-1

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-11088
2026-10-03 Alias added: GHSA-mrp2-g378-9whc
2026-10-30 EPSS moved to the 50th–90th percentile

References

Patch 1

https://plugins.trac.wordpress.org/changeset/3190023/simple-membership

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/c1558b08-a33b-4cf2-bacb-c88065f513cc?source=cve

TI-2022-04084 Simple Membership < 4.2.2 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
TI-2023-22342 WordPress Simple Membership plugin <= 4.3.4 - Unauthenticated Membership Role Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-02140 Simple Membership < 4.1.3 - Unauthenticated Membership Privilege Escalation CVSS 3.1CRITICAL 9.8
TI-2019-10675 The Simple Membership plugin before 3.8.5 for WordPress has CSRF affecting the Bulk Operation section. CVSS 3.0HIGH 8.8
TI-2023-22341 WordPress Simple Membership plugin <= 4.3.4 - Authenticated Account Takeover vulnerability CVSS 3.1HIGH 8.8
TI-2022-02098 Simple Membership < 4.1.3 - Membership Privilege Escalation CVSS 3.1HIGH 8.8

See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences