CVE-2026-3075 MEDIUM

CVE-2026-3075: WordPress Simple Ajax Chat plugin <= 20251121 - Sensitive Data Exposure vulnerability

Vendor Jeff Starr
Product Simple Ajax Chat
Weakness CWE-497
Published February 23, 2026
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Jeff Starr Simple Ajax Chat simple-ajax-chat allows Retrieve Embedded Sensitive Data.This issue affects Simple Ajax Chat: from n/a through <= 20251121.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Ajax Chat versions up to 20251121 expose sensitive information to unauthenticated attackers over the network. The vulnerability allows reading of limited confidential data without requiring user interaction or special network conditions. No integrity or availability impact has been identified. Site administrators should update to a version newer than the affected range.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the chat application without authentication.

Potential impact on your site

04Site Impact

Confidential chat data or user information may be exposed to anyone on the internet.

Conditions required to exploit

05Prerequisites

Network access to the affected Simple Ajax Chat installation; no authentication required.

Key dates

06Disclosure timeline

February 23, 2026 CVE published
April 28, 2026 Record updated