Unauthenticated WooCommerce Ajax Endpoint Vulnerability in Klarna Checkout Plugin
CVE-2024-13925

7.5HIGH

Key Information:

Vendor

WordPress
Status
Klarna Checkout For WooCommerce
Vendor
CVE Published:
17 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-13925?

An unauthenticated vulnerability in the Klarna Checkout for WooCommerce plugin prior to version 2.13.5 allows attackers to exploit an Ajax endpoint. By sending specially crafted POST requests, an attacker can rapidly write excessive data to log files, potentially leading to disk space exhaustion. This vulnerability poses a serious risk to server stability and may result in service disruptions.

Affected Version(s)

Klarna Checkout for WooCommerce 0 < 2.13.5

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-2024-13925 - Proof of Concept

References

https://wpscan.com/vulnerability/6aebb52f-d74a-4043-86c4-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

WPScan
.