What is CVE-2024-21730?

CVE-2024-21730 is a medium-severity vulnerability in Joomla Joomla\!, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-07-09.

How severe is CVE-2024-21730?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Joomla Joomla\!

CVE-2024-21730

The fancyselect list field layout does not correctly escape inputs, leading to a self-XSS vector.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 4.0.0-4.4.5, 5.0.0-5.1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@joomla.org (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21730?: CVE-2024-21730 is a medium-severity vulnerability in Joomla Joomla\!, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-07-09.
How severe is CVE-2024-21730?: Medium severity. CVSS v3 base score is 5.4 out of 10.