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Description

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

PUBLISHED Reserved 2026-05-26 | Published 2026-05-26 | Updated 2026-05-27 | Assigner Joomla




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Problem types

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

Product status

Default status
unaffected

1.0.0-3.0.5
affected

4.0.0-4.0.1
affected

Credits

JSST finder

References

developer.joomla.org/...-the-checkattribute-filter-code.html vendor-advisory

cve.org (CVE-2026-48903)

nvd.nist.gov (CVE-2026-48903)

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