CVE-2022-23800 [20220308] - Core - Inadequate content filtering within the filter code

What is CVE-2022-23800?

CVE-2022-23800 is a medium-severity cross-site scripting vulnerability in Joomla Joomla\!, published on 30 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in Joomla! 4.0.0 through 4.1.0. Inadequate content filtering leads to XSS vulnerabilities in various components.

Weakness: CWE-79

Which versions are affected by CVE-2022-23800?

5 open source packages ship an affected version, including joomla/filter and joomla. It affects 1 product.

Products include Joomla Joomla\!.

How do I fix CVE-2022-23800?

Upgrade joomla/filter to a fixed version for your release line: 1.4.4 or 2.0.1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-23800 being exploited?

There is no known exploitation of CVE-2022-23800 in the wild and no public exploit code.

Other vulnerabilities in Joomla Joomla\!

• CVE-2016-10033 PHPMailer Command Injection Exploited Critical 9.8
• CVE-2023-23752 Joomla! Improper Access Control Exploited Medium 5.3
• CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links Critical 9.8
• CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package Critical 9.8
• CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism Critical 9.8

All Joomla Joomla\! vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-joomla-2022-23800, GHSA-qcv6-h33g-hvrc, MINI-vjw5-3hhv-68v7.