🔐 CVE Alert

CVE-2026-18555

MEDIUM 6.1

Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots plugin for WordPress <= 2.15.22 - Reflected Cross-Site Scripting via 'icn' Parameter

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor wordplus
Product better messages – chat rooms, group chat, private messages & ai chat bots
Published Sep 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

wordplus / Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots
0 ≤ 2.15.22

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/e24a672b-0ba4-4061-971d-255a61aed60b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3634693/bp-better-messages/tags/2.15.23/inc/shortcodes.php

Credits

Jonah Burgess (CryptoCat)