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CVE-2026-84960

MEDIUM 6.1 CVSS 3.1
Published
September 11, 2026
Last modified
September 11, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The WP-Members Membership Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL Query String in all versions up to, and including, 3.5.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Successful exploitation requires the victim to first visit the attacker-crafted URL and then click the Terms of Service link rendered on the resulting registration page.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • cbutlerjr WP-Members Membership Plugin — Up to and including 3.5.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-members/tags/3.5.6/includes/class-wp-members-forms.php#L2202
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-members/tags/3.5.6/includes/class-wp-members-forms.php#L2203
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3679958%40wp-members%2Ftrunk&old=3471137%40wp-members%2Ftrunk&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ab8bd8c8-d9aa-4223-9400-4d500446b598?source=cve
  • nvd.nist.gov Official NVD record