Published:2026/02/17 Last Updated:2026/02/17
JVN#68650996
Joomla! CMS vulnerable to cross-site scripting
Overview
Joomla! CMS provided by Joomla! Project contains a cross-site scripting vulnerability.
Products Affected
- Joomla! CMS versions 4.0.0 through 5.4.1, 6.0.0 through 6.0.1
Description
Joomla! CMS provided by Joomla! Project contains the following vulnerability.
- Cross-site scripting (CWE-79)
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Base Score 4.8
- CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Base Score 4.8
- CVE-2025-63082
Impact
If a malicious content is input to a page and a victim user accesses it, arbitrary script may be executed on the user's web browser.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Joomla! Project | [20260101] - Core - Inadequate content filtering for data URLs |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
Sho Sugiyama of SUZUKI MOTOR CORPORATION reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
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| JVN iPedia |
JVNDB-2026-000025 |