CVE-2021-23124

MEDIUM

Joomla! 3.9.0-3.9.23 - Cross-Site Scripting in mod_breadcrumbs aria-label Attribute

Title source: llm

An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.

Core 1

Core References

Vendor Advisory x_refsource_misc vendor-advisory

CVSS v3 6.1

EPSS 0.0160

EPSS Percentile 81.9%

Attack Vector NETWORK

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

CWE

CWE-79

Status published

Products (1)

joomla/joomla\! 3.9.0 - 3.9.23

Published Jan 12, 2021

Tracked Since Feb 18, 2026