Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-4719
CVSS 7.2 (High)
Publicly Published September 5, 2023
Last Updated September 6, 2023
Researcher Vladislav Pokrovsky

Description

The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.

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1 affected software package

Software Type Plugin
Software Slug simple-membership (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.3.6, or a newer patched version
Affected Version
  • <= 4.3.5
Patched Version
  • 4.3.6

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