CVE-2025-63082
MEDIUMJoomla! 4.0.0 through 5.4.2 - Cross-Site Scripting via Data URLs in HTML Filter
Title source: llmDescription
Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://developer.joomla.org/security-centre/1016-20260101-core-inadequate-content-filtering-for-data-urls.html
Scores
CVSS v3
6.1
EPSS
0.0001
EPSS Percentile
0.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (1)
joomla/joomla\!
4.0.0 - 5.4.2
Published
Jan 06, 2026
Tracked Since
Feb 18, 2026