CVE-2026-21625: medium-severity vulnerability in Stackideas.com EasyDiscuss extension for Joomla
Extension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for Joomla
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.4%
User provided uploads to the Easy Discuss component for Joomla aren't properly validated. Uploads are purely checked by file extensions, no mime type checks are happening.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
Affected products
Stackideas.com · EasyDiscuss extension for JoomlaRelated 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-2026-21624CRITICALExtension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for JoomlaEPSS 0.2%CVE-2026-21623CRITICALExtension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for JoomlaEPSS 0.2%
References
https://stackideas.com/easydiscuss