CVE-2026-21627criticalCWE-284

CVE-2026-21627: critical vulnerability in tassos.gr Advanced Custom Fields

Extension - tassos.gr - SQL injection and Unauthenticated File Read in Novarain/Tassos Framework v4.10.14 – v6.0.37 for Joomla

Published · Updated

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28Vexday Risk Score

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

ssvc Trackcvss 9.5epss 1.8%
The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
tassos.gr · Advanced Custom Fieldstassos.gr · Convert Formstassos.gr · EngageBoxtassos.gr · Google Structured Datatassos.gr · Novarain/Tassos Framework (plg_system_nrframework)tassos.gr · Smile Pack
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CVE-2026-48906CRITICALExtension - tassos.gr - Arbitrary File Deletion in Novarain/Tassos Framework < 6.1.0 for JoomlaEPSS 0.3%