Unrated severityNVD Advisory· Published Jul 7, 2021· Updated Feb 25, 2026
[20210701] - Core - XSS in JForm Rules field
CVE-2021-26035
Description
An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.
Affected products
1- Range: 3.0.0-3.9.27
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- developer.joomla.org/security-centre/856-20210701-core-xss-in-jform-rules-field.htmlmitrex_refsource_MISCvendor-advisory
News mentions
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