EUVD-2026-95105
GHSA-c5vm-w849-ffj7
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Concurs with Patchstack's vector: network-reachable object injection with no attacker auth (PR:N) but requiring victim interaction (UI:R), yielding full C/I/A impact via potential RCE; PR not raised as description shows no attacker-side auth requirement.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
Lifecycle Timeline
2DescriptionCVE.org
Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object Injection.This issue affects MainWP Child: from n/a through 6.2.1.
AnalysisAI
PHP object injection in the MainWP Child plugin through version 6.2.1 allows unauthenticated remote attackers to fully compromise confidentiality, integrity, and availability, though exploitation requires user interaction and a viable PHP gadget chain. The vulnerability is a deserialization of untrusted data (CWE-502) issue with a CVSS 3.1 base score of 8.8, rated high risk. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a deployment of the MainWP Child plugin at version 6.2.1 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely high-priority flaw on paper: the CWE-502 (Deserialization of Untrusted Data) / PHP Object Injection class in a popular WordPress plugin, combined with a CVSS 3.1 base of 8.8 and vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicates a network-reachable, low-complexity, unauthenticated (PR:N) issue with full high impact to confidentiality, integrity, and availability - object injection frequently escalates to remote code execution when a suitable gadget chain exists. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Patch status is not confirmed from available data; the vendor advisory should specify the fixed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress sites using the MainWP Child plugin and identify any instances of version 6.2.1 or earlier; if feasible, disable or remove the plugin until a patch is available. …
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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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