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CVE-2026-10196 is an unsafe deserialization vulnerability in the Mail Mint – Email Marketing, Newsletter, Email Automation & WooCommerce Emails WordPress plugin. The handle_form_submission function deserializes attacker-controlled input, allowing unauthenticated remote attackers to inject PHP objects. A usable property-oriented programming (POP) chain in the affected application dependencies can convert object injection into server-side arbitrary code execution. All Mail Mint versions through 1.31.0 are affected; version 1.23.1 provided only a partial fix.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical unauthenticated remote PHP object-injection/deserialization vulnerability in the Mail Mint WordPress plugin. Crafted serialized form input processed by handle_form_submission can leverage a POP chain for server-side remote code execution.
An unauthenticated PHP object-injection vulnerability in the Mail Mint WordPress plugin, caused by deserialization of untrusted input in handle_form_submission. A usable POP chain can permit server-side code execution. It affects versions through 1.31.0; version 1.23.1 only partially patched the issue.
An unauthenticated PHP object-injection vulnerability in the Mail Mint WordPress plugin caused by unsafe deserialization in handle_form_submission. The presence of a usable POP chain can permit remote code execution on the server. It affects versions through 1.31.0 and is rated CVSS 3.1 9.8 (Critical).
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.