CVE-2026-45247
Description
Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted call to PHP's native unserialize() function combined with gadget chains available in Magento and its dependencies to execute arbitrary code on the server.
Summary dbcve.org
Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 has a PHP object injection vulnerability where the CacheWarmer cookie is passed to PHP's unsafe unserialize() function without validation. Unauthenticated attackers can inject crafted serialized PHP objects leveraging available gadget chains in Magento and its dependencies to achieve remote code execution.
Mitigation
Upgrade Mirasvit Full Page Cache Warmer extension to version 1.11.12 or later to replace the vulnerable unserialize() call with secure deserialization. If immediate upgrade is not possible, temporarily block or remove the CacheWarmer cookie at the web server level.