CVE-2026-105603 Joomla Extension DJ-Classifieds - Unrestricted File Upload

Joomla Extension DJ-Classifieds < 3.11.3 contains an unrestricted file upload vulnerability caused by insufficient validation, letting unprivileged attackers upload arbitrary files leading to remote code execution, exploit requires authentication.

CVSS base score 9.4 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution, File System Write
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-434

Vendor fix

Upgrade to version 3.11.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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