What’s Vulnerable › Vulnerabilities

CVE-2024-21730: [20240702] - Core - Self-XSS in fancyselect list field layout

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-09 · updated 2026-06-17
Weakness: CWE-79

Description

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

Affected products

Joomla!: from 4.0.0 before 4.4.6; from 5.0.0 before 5.1.2 — fixed in 4.4.6, 5.1.2

How to fix

Upgrade to a fixed version: Joomla! 4.4.6, 5.1.2. Check the vendor advisory for mitigations.

References

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