Unrated severityNVD Advisory· Published Apr 14, 2021· Updated Feb 25, 2026
[20210401] - Core - Escape xss in logo parameter error pages
CVE-2021-26030
Description
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page
Affected products
1- Range: 3.0.0-3.9.25
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- developer.joomla.org/security-centre/850-20210401-core-escape-xss-in-logo-parameter-error-pages.htmlmitrex_refsource_MISCvendor-advisory
News mentions
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