CVE-2026-42725Network attack vector

Unauthenticated access via user-controlled object keys

Published May 27, 2026 · Updated May 27, 2026

Authorization bypass in WP Wham Checkout Files Upload for WooCommerce 2.2.5 and earlier allows remote attackers to bypass object access controls. The public record classifies the flaw as an insecure direct object reference driven by a user-controlled key, but does not identify the affected endpoint, parameter, or object operation. No account or user interaction is required, and no public source establishes which checkout file or order resource becomes accessible or unavailable.

CVSS severity6.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in WP Wham Checkout Files Upload for WooCommerce 2.2.5 and earlier allows remote attackers to bypass object access controls. The public record classifies the flaw as an insecure direct object reference driven by a user-controlled key, but does not identify the affected endpoint, parameter, or object operation. No account or user interaction is required, and no public source establishes which checkout file or order resource becomes accessible or unavailable.

The record

CVE
CVE-2026-42725
Published
May 27, 2026
Updated
May 27, 2026
Vendor
WP Wham
Product
Checkout Files Upload for WooCommerce
Classifications
CWE-639, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 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 <=2.2.5 changes=[{"at":"2.2.6","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP Wham · Checkout Files Upload for WooCommerceversion=0 <=2.2.5 changes=[{"at":"2.2.6","status":"unaffected"}]

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

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-639Authorization Bypass Through User-Controlled Key
T1190Exploit Public-Facing Application

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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