CVE-2026-16940

10.0 criticalEPSS 0.6%

Critical (10.0). EPSS 0.6% chance of exploitation in the next 30 days.

The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path before deletion, allowing unauthenticated users to delete arbitrary files on the server (such as wp-config.php), which can lead to a full site takeover.

Severity

CVSS 3.1

10.0 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-08-05
Modified: 2026-08-26
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/a315a6ac-3ffb-4735-92ca-6e85338f8807/

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