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123ContactForm for WordPress <= 1.5.6 — Arbitrary File Upload

860e70be-2ccd-4d4d-b0d9-bde8d163c211Published · Updated

Action summary

Affected: ≤1.5.6No patch available

What to do until a fix ships
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?

123ContactForm for WordPress 123contactform-for-wordpress

  1. Affected≤ 1.5.6
  2. PatchedNo fix yet

No patched version available.

You are affected if you run ≤ 1.5.6. No fixed version has been released.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under 123ContactForm for WordPress.
  • 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. No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch 123ContactForm for WordPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Rodrigo Escobar (ipax).

The 123ContactForm for WordPress plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the cfp_upload_image function in versions up to, and including, 1.5.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites 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 123ContactForm for WordPress

All 3
More vulnerabilities in 123ContactForm for WordPress
SeverityVulnerabilityCVEPublished
High7.5Arbitrary Post Creation
≤1.5.6No patch available
—
Critical9.8Validation Bypass via Plugin Verification
≤1.5.6No patch available
—

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

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
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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