CVE-2024-30477Network attack vector

Unauthenticated modification of protected state

Published Mar 29, 2024 · Updated Apr 28, 2026

Missing authorization in Klarna Payments for WooCommerce 3.2.4 and earlier allows remote attackers to modify protected state. Neither Patchstack nor the public CNA record identifies the handler, request parameter, authorization check, or protected operation involved. No account or user interaction is required, but the affected operation and resulting state change remain undisclosed.

CVSS severity5.3
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Klarna Payments for WooCommerce 3.2.4 and earlier allows remote attackers to modify protected state. Neither Patchstack nor the public CNA record identifies the handler, request parameter, authorization check, or protected operation involved. No account or user interaction is required, but the affected operation and resulting state change remain undisclosed.

The record

CVE
CVE-2024-30477
Published
Mar 29, 2024
Updated
Apr 28, 2026
Vendor
Klarna
Product
Klarna for WooCommerce
Classifications
CWE-862
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.2.4
  2. Affected versionversion=n/a <=3.2.4 changes=[{"at":"3.3.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Klarna · Klarna for WooCommerceversion=0 <=3.2.4; version=n/a <=3.2.4 changes=[{"at":"3.3.0","status":"unaffected"}]

Published CVSS scores

5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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