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Description

The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

PUBLISHED Reserved 2026-06-25 | Published 2026-07-11 | Updated 2026-07-11 | Assigner Joomla




CRITICAL: 10.0CVSS: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/AU:Y/U:Red

Problem types

CWE-434: Unrestricted Upload of File with Dangerous Type

Product status

Default status
unaffected

1.0-1.17.11
affected

Credits

Phil Taylor finder

References

www.rsjoomla.com/...-extensions/joomla-download-manager.html product

mysites.guru/blog/rsfiles-unauthenticated-file-upload-rce/ third-party-advisory

cve.org (CVE-2026-57827)

nvd.nist.gov (CVE-2026-57827)

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