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CVE-2026-81807

HIGH 8.8 CVSS 3.1
Published
September 2, 2026
Last modified
September 3, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The Simple Ajax Chat WordPress plugin before 20260827 does not escape chat message content before rendering it, allowing unauthenticated users to inject arbitrary HTML attributes into the page and run scripts in the browser of anyone viewing the chat, including administrators.

Affected WordPress components

  • Simple Ajax Chat – Add a Fast, Secure Chat Box Plugin · simple-ajax-chat
    Confirmed match Active
    Before 20260827
    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

  • Unknown Simple Ajax Chat — Before 20260827

References

  • wpscan.com https://wpscan.com/vulnerability/7aceefd5-aa09-4828-b375-6a62997fa0c2/
  • nvd.nist.gov Official NVD record