VulnerabilityModified
CVE-2026-57827
Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12 - The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
CRITICAL 10.0EPSS 2.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12 - The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
- CVSS 4.0
- 10.0 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 2.33% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- rsjoomla/rsfiles\!
- Source
- security@joomla.org
References
- https://mysites.guru/blog/rsfiles-unauthenticated-file-upload-rce/Exploit, Third Party Advisory
- https://www.rsjoomla.com/joomla-extensions/joomla-download-manager.htmlProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.