Vulnerability · Published Jul 20, 2026 · Assigned by Joomla
CVE-2026-61900Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6
Critical 10.0
In plain English
A critical-severity unrestricted file upload in jDownloads extension for Joomla from dj-extensions.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.4%top 61.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla extension JDownloads is vulnerable to an unauthenticated file upload, leading to full RCE.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dj-extensions.com | jDownloads extension for Joomla | 4.1.0-4.1.5 |
Weakness: CWE-434 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://www.jdownloads.com/ product
- https://mysites.guru/blog/jdownloads-4-1-unauthenticated-upload-flaw/ third-party-advisory