CVE-2026-105606 Joomla Extension joomlaboat.com - Unrestricted File Upload

Joomla Extension joomlaboat.com < 3.7.8 contains an unrestricted file upload vulnerability caused by unauthenticated upload of polyglot files to the web-accessible tmp directory, letting unauthenticated attackers write arbitrary files, exploit requires public Custom Tables submission form exposure.

CVSS base score 9.5 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
File System Write
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/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

Update to version 3.7.8 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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