CVE-2026-74803criticalCWE-434

CVE-2026-74803: critical vulnerability in yootheme.com Zoo extension for Joomla

Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64

Published · Updated

Follow this CVE+ Monitor Zoo extension for Joomla

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 10epss 0.4%
Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
yootheme.com · Zoo extension for Joomla
Related CVEs — yootheme.com Zoo extension for Joomla

In the same product, most dangerous first.

CVE-2026-76611MEDIUMJoomla Extension - yootheme.com - Unauthenticated arbitrary directory listing via the Gallery element in Zoo < 4.1.66EPSS 0.5%CVE-2026-76612HIGHJoomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66EPSS 0.4%CVE-2026-77028MEDIUMJoomla Extension - yootheme.com - Reflected XSS and open redirect via the submission redirect parameter in Zoo < 4.1.66EPSS 0.4%CVE-2026-75114MEDIUMJoomla Extension - yootheme.com - Open redirect in CommentController::twitterAuthenticate() in Zoo < 4.1.64EPSS 0.4%CVE-2026-74804CRITICALJoomla Extension - yootheme.com - Unauthenticated SQL injection in Zoo < 4.1.64EPSS 0.4%CVE-2026-76610MEDIUMJoomla Extension - yootheme.com - Unauthenticated tag modifications in Zoo < 4.1.65EPSS 0.2%