Medium severity · published Aug 20, 2026
CVE-2026-77026
Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5
6.9
CVSS
0.5%
EPSS
No
On KEV
Description
Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5 - The front-end Submissions view did not enforce access control. An unauthenticated visitor could therefore list a form's submissions.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Convert Forms extension for Joomla · tassos.gr
1.0.0-5.2.5 · source: vendor
Affected product
CF
Convert Forms extension for Joomla
tassos.gr
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77026
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77026
www.tassos.gr
https://www.tassos.gr/joomla-extensions/convert-forms
More from Convert Forms extension for Joomla
8.2
CVE-2026-65758
Joomla Extension - tassos.gr - Sensitive data exposure in Convert Forms extension 2.5.0-5.2.2