Medium severity · published Jul 7, 2026
CVE-2026-48951
Joomla! Core - [20260705] - XSS in various modalreturn layouts
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
Lack of escaping leads to XSS vulnerabilities in modalreturn layouts of various components.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
4.0.0-5.4.6; 6.0.0-6.1.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-48951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-48951
Vendor Advisory
https://developer.joomla.org/security-centre/1059-20260705-core-xss-in-various-modalreturn-layouts.html
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