CVE-2018-6377

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 56.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-01-30 · updated 2026-06-17
Weakness: CWE-79

Description

In Joomla! before 3.8.4, inadequate input filtering in com_fields leads to an XSS vulnerability in multiple field types, i.e., list, radio, and checkbox

Affected products

Joomla!: before 3.8.4 — fixed in 3.8.4

How to fix

Upgrade to a fixed version: Joomla! 3.8.4. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/102917
http://www.securitytracker.com/id/1040316
https://developer.joomla.org/security-centre/720-20180103-core-xss-vulnerability.html
http://www.securityfocus.com/bid/102917
http://www.securitytracker.com/id/1040316
https://developer.joomla.org/security-centre/720-20180103-core-xss-vulnerability.html

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