CVE-2026-78088 The Contest Gallery WordPress - Arbitrary File Overwrite

The Contest Gallery WordPress plugin <= 32.0.1 contains an arbitrary file overwrite vulnerability caused by insufficient file path validation in the 'baseUrlForFacebook' parameter, letting authenticated subscribers overwrite files potentially leading to remote code execution, exploit requires subscriber-level access or higher.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.79% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Arbitrary File Overwrite
Impact
File System Write, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to the latest version beyond 32.0.1.

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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