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CVE

CWE

Training

CVE-2020-37071

Published: Feb 3, 2026

Modified: Feb 4, 2026

PUBLISHED

CVSS v3.1

9.8

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.

Vendor	Product	Versions
CraftCMS	CraftCMS	affected `1.0.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ExploitDB-48492

exploit

Official CraftCMS Vendor Homepage

product

CraftCMS vCard Plugin Page

product

Researcher Exploit Disclosure

technical-description

exploit

VulnCheck Advisory: CraftCMS 3 vCard Plugin 1.0.0 - Remote Code Execution

third-party-advisory

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