CVE-2020-37071
Critical
Description
CraftCMS 3 vCard Plugin 1.0.0 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary PHP code through a crafted payload. Attackers can generate a malicious serialized payload that triggers remote code execution by exploiting the plugin's vCard download functionality with a specially crafted request.
SeverityCritical
CVSS9.8
Exploit probability—
ProductCraftCMS
PublishedFeb 3, 2026
First seenFeb 3, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| CraftCMS CraftCMS | 1.0.0 | — |
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