CVE-2026-48954 Details
Description
Improper validation leads to a generic XSS vector in the language override feature.
A cross-site scripting (XSS) vulnerability has been identified in the language override feature of Joomla! CMS. This issue arises from improper validation, creating a generic XSS vector. The vulnerability affects Joomla! CMS versions 3.0.0 through 5.4.6 and 6.0.0 through 6.1.1.
Users can upgrade to Joomla! CMS versions 5.4.7 or 6.1.2 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 7, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| joomla joomla! | >= 3.0.0, < 5.4.7 >= 6.0.0, < 6.1.2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 9, 2026 | Reanalysis | [email protected] |
| Jul 9, 2026 | Initial Analysis | [email protected] |
| Jul 7, 2026 | New CVE Received | [email protected] |
| Jul 7, 2026 | CVE Modified | CISA-ADP |