Vulnerability · Published Jul 11, 2026 · Assigned by Joomla
CVE-2026-57828Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3
Critical 9.0
In plain English
A critical-severity unrestricted file upload in phoca.cz Phoca Download extension for Joomla from phoca.cz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 4.0)9.0Critical
Exploit odds (30 days)0.5%top 54.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| phoca.cz | phoca.cz Phoca Download extension for Joomla | 1.0-6.1.2 |
Weakness: CWE-434 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://www.phoca.cz/phocadownload product
- https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/ third-party-advisory