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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mirasvit | Full Page Cache Warmer for Magento 2 | < 1.11.12 | 1.11.12 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 2 repositories
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PoC funcional de CVE-2026-45247: PHP Object Injection a RCE no autenticado en Mirasvit Full Page Cache (Magento 2).
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HORKimhab/CVE-2026-45247 ★ 0 · Jun 4, 2026
CVE-2026-45247 - Draft
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://sansec.io/research/mirasvit-cache-warmer-object-injection technical-description
- https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer release-notes patch
- https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection third-party-advisory