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CVE-2023-40657CVE published 14 December 2023

JoomDOC (com_joomdoc) <= 4.0.5 - Reflected XSS

ARTIO JoomDOC up to and including 4.0.5 is affected by a reflected XSS vulnerability (CVE-2023-40657).

Is my site affected?

Affected
JoomDOC up to and including 4.0.5
Fixed in
A release after 4.0.5
What to do
Update JoomDOC to the newest release from the vendor. This flaw covers versions up to 4.0.5, so any later release is outside it.

How severe CVE-2023-40657 is

The published CVE record has no CVSS score, so there is no vector to break down here. The mySites.guru rule has no severity rating of its own either, so the description above is the best guide to what the flaw allows.

Timeline

  1. 14 December 2023CVE-2023-40657 record published by its CNA

Rule details

References

CVE-2023-40657 questions

Which versions are affected by CVE-2023-40657?
CVE-2023-40657 affects JoomDOC up to and including 4.0.5.
How do I fix CVE-2023-40657?
Update JoomDOC to the newest release from the vendor. This flaw covers versions up to 4.0.5, so any later release is outside it.
How severe is CVE-2023-40657?
The published CVE record has no CVSS score, and the mySites.guru rule has no severity rating of its own. Any affected version is still checked on every audit.

Running an affected version on a site you manage?

A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up. No card required. If a site is already compromised, fix.mysites.guru is a single fixed fee per incident, usually resolved the same day.

This check is part of the mySites.guru Joomla vulnerability scanner, which reads every installed extension's version on each audit. Browse the rest of the Joomla vulnerability database.

Rules current as of 25 October 2026.