Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Full Page Cache Warmer for Magento 2 (Mirasvit) Fixed in 1.11.12
Timeline
- 2026-06-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2026-45247
- 2026-10-03 Alias added: GHSA-rg8p-9rpg-r32p
- 2026-10-25 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2026-45247 · CVE Program
- CVE-2026-45247 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-rg8p-9rpg-r32p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences