What is CVE-2025-3623?

CVE-2025-3623 is a critical-severity vulnerability in Uncannyowl Uncanny Automator, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-05-14.

How severe is CVE-2025-3623?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Deserialization in Uncannyowl Uncanny Automator

CVE-2025-3623

The Uncanny Automator plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.4.0.1 via deserialization of untrusted input in the automator_api_decode_message() function. This makes it possible for unauthenticated to inject a PHP Object. The additional presence of a POP chain allows attackers to delete arbitrary files.

Vulnerability class: Insecure Deserialization

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Release Notes)
security@wordfence.com (Product)
security@wordfence.com (Patch)
security@wordfence.com (Release Notes)

Frequently asked questions

What is CVE-2025-3623?: CVE-2025-3623 is a critical-severity vulnerability in Uncannyowl Uncanny Automator, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-05-14.
How severe is CVE-2025-3623?: Critical severity. CVSS v3 base score is 9.1 out of 10.