EUVD-2026-39694
GHSA-ch5x-8v45-x2xp
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network deserialization gives PR:N/AV:N with full CIA impact, while AC:H reflects the dependency on a reachable POP gadget chain for practical exploitation.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated PHP Object Injection in Uncanny Automator <= 7.3.1.2 versions.
Articles & Coverage 1
AnalysisAI
PHP Object Injection in the Uncanny Automator WordPress plugin (versions 7.3.1.2 and earlier) lets unauthenticated remote attackers submit crafted serialized PHP objects that the application deserializes, potentially leading to full WordPress site compromise. The flaw is rooted in unsafe deserialization of untrusted data (CWE-502) and carries high confidentiality, integrity, and availability impact (CVSS 8.1). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an unauthenticated, network-reachable request to a Uncanny Automator code path that deserializes attacker-controlled data on a site running version 7.3.1.2 or earlier (per CVSS PR:N/UI:N, no login or victim interaction is needed). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are mixed but credible. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker crafts a serialized PHP object payload, embedding a POP gadget chain built from classes loaded by WordPress core or installed plugins, and submits it to a plugin endpoint that deserializes attacker input. When unserialize() instantiates the object, the chained magic methods fire to achieve goals such as arbitrary file write or code execution, leading to site takeover. … |
| Remediation | Upgrade the Uncanny Automator plugin to the first vendor release above 7.3.1.2; the exact fixed version is not stated in the provided intelligence, so confirm it against the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/uncanny-automator/vulnerability/wordpress-uncanny-automator-plugin-7-3-1-2-php-object-injection-vulnerability?_s_id=cve) before deploying - do not assume a version number. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all WordPress installations using Uncanny Automator and document versions in use. …
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Same weakness CWE-502 – Deserialization of Untrusted Data
View allSame technique Deserialization
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External POC / Exploit Code
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