CVE-2026-93427
Deferred Deferred - Pending Action

Stored XSS in ARMember WordPress Plugin via Registration Custom Field

Publication date: 2026-11-10

Last updated on: 2026-11-10

Assigner: Wordfence

Description
The ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Registration Custom Field (Profile Cover) in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Meta Information

Published
2026-11-10
Last Modified
2026-11-10
Generated
2026-11-10
AI Q&A
2026-11-10
EPSS Evaluated
N/A
NVD
CVE-2026-93427
EUVD
EUVD-2026-120826

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
armember ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup From 0 (inc) to 7.8.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

The ARMember Premium WordPress plugin has a stored Cross-Site Scripting (XSS) vulnerability in its Registration Custom Field feature. This flaw allows unauthenticated attackers to inject malicious scripts into web pages. The issue arises from insufficient input sanitization and output escaping in versions up to 7.8.1.

Detection Guidance

Check WordPress sites using ARMember plugin versions up to 7.8.1 for stored XSS via Registration Custom Field (Profile Cover). Inspect user input fields for suspicious scripts and review stored data in the database for injected payloads.

Impact Analysis

Unauthenticated attackers could inject scripts that execute when users access infected pages. This could lead to theft of user sessions, defacement of pages, or redirection to malicious sites. Users with admin privileges might also be targeted for deeper compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR's data protection requirements. For HIPAA, it may expose protected health information if user profiles are compromised. Both standards mandate protection against unauthorized data access.

Mitigation Strategies

Update ARMember plugin to the latest version beyond 7.8.1 immediately. Disable or restrict unauthenticated user registration if not required. Implement input sanitization and output escaping for user-provided data.

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