Joomla! CMS vulnerable to XSS via the input filter
Improper handling of input could lead to a cross-site scripting (XSS) vector in the checkAttribute method of the input filter framework class.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-54476US | — | — | ||
Improper handling of input could lead to an XSS vector in the checkAttribute method of the input filter framework class. | ||||
02
references
External citations — patches, advisories, analysis.
- https://developer.joomla.org/security-centre/1010-20250901-core-inadequate-content-filtering-within-the-checkattribute-filter-code.htmlWEB
- https://github.com/joomla-framework/filter/commit/188dd3fccd6fa0532d105a52736affdf6b166217WEB
- https://github.com/joomla-framework/filter/commit/852c7e101c649500d3af58ffb8baf15d7c86d825WEB
- https://github.com/joomla-framework/filter/commit/fcde280785f188e93530f7da68102f7dd8f9f723WEB
- https://github.com/joomla/joomla-cmsPACKAGE
- https://nvd.nist.gov/vuln/detail/CVE-2025-54476ADVISORY
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