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CVE-2026-2987

MEDIUM 6.1 CVSS 3.1
Published
March 12, 2026
Last modified
June 17, 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 Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • Simple Ajax Chat – Add a Fast, Secure Chat Box Plugin · simple-ajax-chat
    Confirmed match Active
    Up to and including 20260217
    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

  • specialk Simple Ajax Chat – Add a Fast, Secure Chat Box — Up to and including 20260217

References