Answer in brief
CVE-2026-77026 records a Medium severity (CVSS 6.9) vulnerability in Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5. The current sources do not mark it as known exploited. The current feed maps tassos.gr/Convert Forms extension for Joomla (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps tassos.gr/Convert Forms extension for Joomla (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| tassos.gr/Convert Forms extension for Joomlageneric | 1.0.0-5.2.5 | Not reported |
Published upstream
Aug 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 20, 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.
Quoted source text, attributed separately from HOL analysis.