CVE-2024-13925: The Klarna Checkout for WooCommerce WordPress plugin before 2.13.5 exposes an unauthenticated WooCommerce Ajax

Q: How do I fix CVE-2024-13925?

klarna checkout for woocommerce: upgrade to 2.13.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-13925 being exploited?

CVE-2024-13925 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-13925 affect?

CVE-2024-13925 affects klarna checkout for woocommerce. Severity is high (CVSS 7.5). The Klarna Checkout for WooCommerce WordPress plugin before 2.13.5 exposes an unauthenticated WooCommerce Ajax endpoint that allows an attacker to flood the log files with data at the maximum size allowed for a POST parameter per request. T

Q: How urgent is CVE-2024-13925?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2024-13925 is a high-severity flaw (CVSS 7.5) affecting klarna checkout for woocommerce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Klarna Checkout for WooCommerce WordPress plugin before 2.13.5 exposes an unauthenticated WooCommerce Ajax endpoint that allows an attacker to flood the log files with data at the maximum size allowed for a POST parameter per request. This can result in rapid consumption of disk space, potentially filling the entire disk.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Published	2025-04-17
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: klarna

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-17 06:15 UTCPublished CVE record published
2026-06-17 07:03 UTCUpdated Record last modified

klarna klarna checkout for woocommerce UPGRADE

Affected: < 2.13.5

Fixed in: 2.13.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy klarna-checkout-for-woocommerce || rpm -q klarna-checkout-for-woocommerce || klarna-checkout-for-woocommerce --version

2. UPGRADE to 2.13.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade klarna-checkout-for-woocommerce

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade klarna-checkout-for-woocommerce

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-13925?

klarna checkout for woocommerce: upgrade to 2.13.5. Exact commands for each OS are on this page.

Is CVE-2024-13925 being exploited?

CVE-2024-13925 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-13925 affect?

CVE-2024-13925 affects klarna checkout for woocommerce. Severity is high (CVSS 7.5). The Klarna Checkout for WooCommerce WordPress plugin before 2.13.5 exposes an unauthenticated WooCommerce Ajax endpoint that allows an attacker to flood the log files with data at the maximum size allowed for a POST parameter per request. T

How urgent is CVE-2024-13925?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · WooCommerce vulnerabilities

References

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