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.
Published: 2026-08-20
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The Convert Forms extension’s front‑end submissions page failed to enforce access control, enabling any visitor to list a form’s submissions. This client‑controlled validation bypass allows unauthenticated users to view or download content that may be intended for private use, violating confidentiality and potentially exposing sensitive data.

Affected Systems

The flaw affects the Convert Forms extension for Joomla provided by tassos.gr. Versions prior to 5.2.5 expose the submissions view to all visitors without authentication checks.

Risk and Exploitability

The CVSS score of 6.9 indicates moderate severity. No EPSS score is available, and the issue is not listed in the CISA KEV catalog. An attacker needs only to visit the public submissions page, a trivial action that requires no special privileges or credentials. Given the ease of exploitation and the potential for data exposure, the risk of abuse is significant.

Generated by OpenCVE AI on August 20, 2026 at 21:24 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade the Convert Forms extension to version 5.2.5 or newer.
  • If an upgrade is not immediately possible, restrict access to the submissions page by configuring Joomla’s ACL to deny public view or by placing the page behind authentication.
  • Consider removing the submissions page from the public menu and limit the displayed data to what is necessary for public use.

Generated by OpenCVE AI on August 20, 2026 at 21:24 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 21 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Tassos.gr
Tassos.gr convert Forms Component For Joomia
Vendors & Products Tassos.gr
Tassos.gr convert Forms Component For Joomia

Fri, 21 Aug 2026 05:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 20 Aug 2026 11:00:00 +0000

Type Values Removed Values Added
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.
Title Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5
Weaknesses CWE-602
References
Metrics cvssV4_0

{'score': 6.9, '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'}


Subscriptions

Tassos.gr Convert Forms Component For Joomia
cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-08-21T04:45:53.362Z

Reserved: 2026-08-20T08:36:08.428Z

Link: CVE-2026-77026

cve-icon Vulnrichment

Updated: 2026-08-20T15:37:03.536Z

cve-icon NVD

Status : Deferred

Published: 2026-08-20T11:16:21.947

Modified: 2026-08-26T16:35:20.160

Link: CVE-2026-77026

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T20:45:03Z

Weaknesses
  • CWE-602

    Client-Side Enforcement of Server-Side Security