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WordPress plugin

Checkout Files Upload for WooCommerce < 2.4.0 — Unauthenticated Arbitrary File Upload

CVE-2026-103688Published · Updated

Action summary

Affected: <2.4.0Update to 2.4.0 or newer

All remediation steps
Watch plugin
Severity
Critical9.8
CVSS
9.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-434 Arbitrary File Upload
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Checkout Files Upload for WooCommerce checkout-files-upload-woocommerce

  1. Affected< 2.4.0
  2. Patched in2.4.0

Update to 2.4.0 or newer.

You are affected if you run < 2.4.0. Version 2.4.0 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Checkout Files Upload for WooCommerce.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.4.0, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Checkout Files Upload for WooCommerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Josef Azizov.

The Checkout Files Upload for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to 2.4.0. This is due to missing file type validation. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server, which may make remote code execution possible.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Checkout Files Upload for WooCommerce

All 6
More vulnerabilities in Checkout Files Upload for WooCommerce
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.4.0Update to 2.4.1
CVE-2026-123463
Medium5.3Unauthenticated Insecure Direct Object Reference
≤2.2.5Update to 2.2.6
CVE-2026-42725
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.2.1Update to 2.2.2
CVE-2025-4212
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.2.0Update to 2.2.1
CVE-2025-39520
Medium6.1Cross-Site Scripting
≤2.1.2Update to 2.1.3
CVE-2022-29425

Same weakness (Arbitrary File Upload)

All Arbitrary File Upload
Other Arbitrary File Upload vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity critical, CVSS 9.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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