EUVD-2026-71991
GHSA-v38w-pf7m-c3pr
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable form handler (AV:N/PR:N/UI:N/AC:L) with a confirmed POP chain yielding code execution gives full C:H/I:H/A:H.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Mail Mint - Email Marketing, Newsletter, Email Automation & WooCommerce Emails plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.31.0 via deserialization of untrusted input in the 'handle_form_submission' function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code on the server. The vulnerability was partially patched in version 1.23.1.
Articles & Coverage 1
AnalysisAI
Remote code execution in the Mail Mint WordPress plugin (by getwpfunnels) affects all versions up to and including 1.31.0, where the 'handle_form_submission' function deserializes untrusted, attacker-supplied input (CWE-502). Because a usable POP (property-oriented programming) gadget chain is present in the plugin's bundled code, unauthenticated attackers can move from PHP Object Injection to arbitrary code execution on the server. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the Mail Mint plugin (<=1.31.0, or the only-partially-patched 1.23.1) be installed and active, and that its public 'handle_form_submission' form-submission endpoint be reachable - which is the default for any published Mail Mint form. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, 9.8) is credible: object injection sits on the unauthenticated, network-reachable public form-submission handler, and a confirmed POP chain yields full C:H/I:H/A:H via code execution - this is a genuine top-priority issue, not an inflated high-CVSS number. … 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 | Upgrade Mail Mint to a release beyond the partial 1.23.1 fix - install the latest available version (the later remediation corresponds to trac changeset 3675453; confirm the running version is newer than 1.31.0 once the full-fix release is published), since 1.23.1 only partially closed the deserialization path. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: immediately disable or uninstall the Mail Mint plugin (versions ≤1.31.0); if business-critical, restrict access via firewall or Web Application Firewall rules while testing alternatives. …
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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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