CVE-2018-11328

Severity: medium (CVSS 4.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-22 · updated 2026-06-17
Weakness: CWE-79

Description

An issue was discovered in Joomla! Core before 3.8.8. Under specific circumstances (a redirect issued with a URI containing a username and password when the Location: header cannot be used), a lack of escaping the user-info component of the URI could result in an XSS vulnerability.

Affected products

Joomla!: before 3.8.8 — fixed in 3.8.8

How to fix

Upgrade to a fixed version: Joomla! 3.8.8. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104269
http://www.securitytracker.com/id/1040966
https://developer.joomla.org/security-centre/736-20180508-core-possible-xss-attack-in-the-redirect-method.html
http://www.securityfocus.com/bid/104269
http://www.securitytracker.com/id/1040966
https://developer.joomla.org/security-centre/736-20180508-core-possible-xss-attack-in-the-redirect-method.html

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