Server-Side Template Injection Vulnerability in Strapi by Strapi
CVE-2023-22621

7.2HIGH

Key Information:

Vendor

Strapi

Status
Strapi
Vendor
CVE Published:
19 April 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 86%

What is CVE-2023-22621?

The Strapi vulnerability allows authenticated users to exploit Server-Side Template Injection (SSTI), potentially executing arbitrary code within the server environment. This arises from insufficient validation of email templates in versions up to 4.5.5, enabling attackers with admin panel access to inject malicious payloads. Such an exploit can have dire consequences as it bypasses existing security checks, posing serious risks to the integrity of the server and its data.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-22621-POC
Created by sofianeelhor

References

https://github.com/strapi/strapi/releases
https://www.ghostccamm.com/blog/multi_strapi_vulns/
https://strapi.io/blog/security-disclosure-of-vulnerabili...

EPSS Score

86% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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