CVE-2026-77026 PUBLISHED

Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5

Assigner: Joomla
Reserved: 20.08.2026 Published: 20.08.2026 Updated: 20.08.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	tassos.gr
Product	Convert Forms extension for Joomla
Versions	Default: unaffected Version 1.0.0-5.2.5 is affected

Credits

Murrez finder

References

https://www.tassos.gr/joomla-extensions/convert-forms

Problem Types

CWE-602: Client-Side Enforcement of Server-Side Security CWE