Client-Controlled Validation Bypass in Joomla Extension by Tassos
CVE-2026-77026

6.9MEDIUM

Key Information:

Vendor

Tassos.gr

Status
Convert Forms Extension For Joomla
Vendor
CVE Published:
20 August 2026

What is CVE-2026-77026?

The Convert Forms extension for Joomla by Tassos suffers from a critical issue where access control is improperly enforced in the front-end submissions view. This allows unauthenticated users to list submissions of forms, leading to potential exposure of sensitive information. It is essential for users of versions below 5.2.5 to update promptly to mitigate this vulnerability.

Affected Version(s)

Convert Forms extension for Joomla 1.0.0-5.2.5

References

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

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Murrez
.