CVE-2026-18555

Medium

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductBetter Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots
PublishedSep 16, 2026
First seenSep 16, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wordplus Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Botsv ≤ 2.15.22—

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CVE-2026-18555 · Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots · Dark Radar