Critical severity · published Feb 20, 2026
CVE-2026-21627
Extension - tassos.gr - SQL injection and Unauthenticated File Read in Novarain/Tassos Framework v4.10.14 – v6.0.37 for Joomla
9.5
CVSS
1.8%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Advanced Custom Fields · tassos.gr
2.2.0–3.1.0 · source: vendor
CF
Convert Forms · tassos.gr
3.2.12–5.1.0 · source: vendor
EN
EngageBox · tassos.gr
6.0.0–7.1.0 · source: vendor
GS
Google Structured Data · tassos.gr
5.1.7–6.1.0 · source: vendor
SP
Smile Pack · tassos.gr
1.0.0–2.1.0 · source: vendor
Affected product
AC
Advanced Custom Fields
tassos.gr
More from Advanced Custom Fields
8.1
CVE-2026-48906
Extension - tassos.gr - Arbitrary File Deletion in Novarain/Tassos Framework < 6.1.0 for Joomla