Vulnerability · Published Sep 19, 2026 · Assigned by Wordfence

CVE-2026-89334Better Messages <= 2.15.33 - Missing Authorization to Authenticated (Custom+) Chat-Room Transcript Disclosure via '/thread/<id>' REST Endpoint

Medium 6.5

In plain English

A medium-severity missing authorization in Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots from wordplus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.7%top 46.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.15.33. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to access the full message transcript, thread metadata, and user data of any chat-room thread without authentication. This is only exploitable when the chat room's only_joined_can_read setting retains its default value of '0'.

Affected products (as reported)

Vendor	Product	Versions
wordplus	Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots	0 – through 2.15.33

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

In plain English

Official description

Affected products (as reported)

References