CVE-2024-1987 - CVE House

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Status published Medium CVE-2024-1987

WP-Members Membership Plugin <= 3.4.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

6.4 CVSS

Vulnerability Description

The WP-Members Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 3.4.9.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Sh

References

More from cbutlerjr

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WP-Members Membership Plugin <= 3.5.4.2 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Profile Names

WP-Members <= 3.5.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

WP-Members <= 3.5.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpmem_user_memberships Shortcode

WP-Members Membership Plugin <= 3.5.4.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Multiple Checkbox and Multiple Select User Profile Fields

WP-Members Membership Plugin <= 3.5.4.4 - Unauthenticated Information Exposure via Unprotected Files

Affected Vendor

cbutlerjr

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Affected Software

WP-Members Membership Plugin

Vulnerable Versions:

0

Timeline

Official Publish: March 8th, 2024

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement