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Description

Improper validation leads to a generic XSS vector in the language override feature.

PUBLISHED Reserved 2026-05-26 | Published 2026-07-07 | Updated 2026-07-08 | Assigner Joomla




MEDIUM: 5.9CVSS: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

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

3.0.0-5.4.6
affected

6.0.0-6.1.1
affected

Credits

Morris Baumgarten-Egemole finder

References

developer.joomla.org/...-xss-through-language-overrides.html vendor-advisory

cve.org (CVE-2026-48954)

nvd.nist.gov (CVE-2026-48954)

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