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CVE-2026-18555

MEDIUM 6.1 CVSS 3.1
Published
September 16, 2026
Last modified
September 18, 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 Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'icn' parameter in all versions up to, and including, 2.15.22 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.

Affected WordPress components

  • Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots Plugin · bp-better-messages
    Confirmed match Active
    Up to and including 2.15.22
    View on WordPress.org

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

  • wordplus Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots — Up to and including 2.15.22

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3634693/bp-better-messages/tags/2.15.23/inc/shortcodes.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/e24a672b-0ba4-4061-971d-255a61aed60b?source=cve
  • nvd.nist.gov Official NVD record