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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (56.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/00bcfd8f-9785-449a-a0ea-16e25… (Third Party Advisory)
- wordpress.org/plugins/uncanny-automator/ (Release Notes)
- plugins.trac.wordpress.org/browser/uncanny-automator/trunk/src/core/lib/helpers… (Product)
- plugins.trac.wordpress.org/changeset/3276577/uncanny-automator/trunk/src/core/l… (Patch)
- automatorplugin.com/knowledge-base/uncanny-automator-changelog/ (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.