CVE-2024-21726

Name: CVE-2024-21726
Creator: NVD / NIST
Published: 2024-02-29T01:44:03.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 48.84%

Last modified Jun 17, 2026

CVE-2024-21726 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Inadequate content filtering leads to XSS vulnerabilities in various components.. EPSS estimates a 48.84% chance of exploitation in the next 30 days.

Description

Inadequate content filtering leads to XSS vulnerabilities in various components.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

48.84%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Joomla	Joomla\!	>= 3.7.0, <= 3.10.15
Joomla	Joomla\!	>= 4.0.0, < 4.4.3
Joomla	Joomla\!	>= 5.0.0, < 5.0.3

References

https://developer.joomla.org/security-centre/929-20240205-core-inadequate-content-filtering-within-the-filter-code.htmlVendor Advisory
https://www.sonarsource.com/blog/joomla-multiple-xss-vulnerabilities/Exploit, Third Party Advisory
https://developer.joomla.org/security-centre/929-20240205-core-inadequate-content-filtering-within-the-filter-code.htmlVendor Advisory

Timeline

Published: Feb 29, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21726?

Inadequate content filtering leads to XSS vulnerabilities in various components.

How severe is CVE-2024-21726?

CVE-2024-21726 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 48.84% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21726?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21726?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST