EUVD-2026-89856
GHSA-rr94-6pcf-8wvr
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Network-reachable, low-complexity, but requires a high-privileged custom-role account (PR:H); object injection with a reachable gadget chain yields full C/I/A impact within the site scope.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Custom role PHP Object Injection in WP ERP <= 1.17.9 versions.
AnalysisAI
PHP object injection in WP ERP 1.17.9 and earlier allows an authenticated high-privilege user to execute arbitrary code or otherwise compromise a WordPress site via deserialization of untrusted input in the plugin's custom role functionality. The CVSS 3.1 base score is 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H), reflecting network reachability, no user interaction, and high confidentiality, integrity, and availability impact, but the flaw is gated behind a high-privilege prerequisite (PR:H). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated high-privilege user (PR:H) - specifically a user able to reach WP ERP's custom role functionality that processes the unsafe serialized input - on a WordPress site running WP ERP version 1.17.9 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) reflects a network-reachable, low-complexity flaw with high confidentiality/integrity/availability impact, but critically gated behind PR:H - the attacker must already hold high-privilege access (the 'custom role' vector implies a user with role-management or elevated administrative capability). … 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 | No vendor-released patch identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all WordPress users with high-privilege roles (administrator, editor, etc.) and ensure only trusted personnel have access; if WP ERP is not business-critical, consider temporarily disabling the plugin. …
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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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