CVE-2026-21626: critical vulnerability in Stackideas.com EasyDiscuss extension for Joomla
Extension - stackideas.com - Information disclosure in post custom fields in EasyDiscuss 1.0.0-5.0.15 for Joomla
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.2epss 0.4%
Access control settings for forum post custom fields are not applied to the JSON output type, leading to an ACL violation vector an information disclosure
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Affected products
Stackideas.com · EasyDiscuss extension for JoomlaRelated CVEs — Stackideas.com EasyDiscuss extension for Joomla
In the same product, most dangerous first.
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%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