Vulnerability · Published Jan 6, 2026 · Assigned by Joomla
CVE-2025-63082Joomla! Core - [20260101] - Inadequate content filtering for data URLs
Medium 5.9
In plain English
A medium-severity cross-site scripting in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 4.0)5.9Medium
Exploit odds (30 days)0.2%top 88.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 4.0.0-5.4.16.0.0-6.0.1 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U