CVE-2026-21623criticalCWE-79

CVE-2026-21623: critical vulnerability in Stackideas.com EasyDiscuss extension for Joomla

Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joomla

Published

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.4epss 0.2%
Lack of input filterung leads to a persistent XSS vulnerability in the forum post handling of the Easy Discuss component for Joomla.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
Stackideas.com · EasyDiscuss extension for Joomla
Related CVEs — Stackideas.com EasyDiscuss extension for Joomla

In the same product, most dangerous first.

CVE-2026-21626CRITICALExtension - stackideas.com - Information disclosure in post custom fields in EasyDiscuss 1.0.0-5.0.15 for JoomlaEPSS 0.4%CVE-2026-21625MEDIUMExtension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for JoomlaEPSS 0.4%CVE-2026-21624CRITICALExtension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for JoomlaEPSS 0.2%