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CVE-2026-48903

Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute filter code.

CVSS 6.9 MEDIUMEPSS 0.1%CWE-79
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
Affected products
Joomla! Project · Joomla! Framework Filter package

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References
https://developer.joomla.org/security-centre/1051-20260519-framework-inadequate-content-filtering-within-the-checkattribute-filter-code.html