Answer in brief
CVE-2026-73373 records a Unknown severity vulnerability in Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2. The current sources do not mark it as known exploited. The current feed maps Joomla! Project/Joomla! CMS (generic), Joomla! Project/Joomla! Framework Filesystem package (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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 Joomla! Project/Joomla! CMS (generic), Joomla! Project/Joomla! Framework Filesystem package (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Joomla! Project/Joomla! CMSgeneric | 1.0.0-5.4.6 || 6.0.0-6.1.2 | Not reported |
| Joomla! Project/Joomla! Framework Filesystem packagegeneric | 1.0.0-3.3.0 || 4.0.0-4.2.0 | Not reported |
Published upstream
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 18, 2026
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-73373 records a Unknown severity vulnerability in Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2. The current sources do not mark it as known exploited. The current feed maps Joomla! Project/Joomla! CMS (generic), Joomla! Project/Joomla! Framework Filesystem package (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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 Joomla! Project/Joomla! CMS (generic), Joomla! Project/Joomla! Framework Filesystem package (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Joomla! Project/Joomla! CMSgeneric | 1.0.0-5.4.6 || 6.0.0-6.1.2 | Not reported |
| Joomla! Project/Joomla! Framework Filesystem packagegeneric | 1.0.0-3.3.0 || 4.0.0-4.2.0 | Not reported |
Published upstream
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 18, 2026
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution.
Quoted source text, attributed separately from HOL analysis.