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123ContactForm for WordPress <= 1.5.6 — Validation Bypass via Plugin Verification

6cc5f274-6e71-47a1-b4ec-9b3ba46fd7bfPublished · Updated

Action summary

Affected: ≤1.5.6No patch available

What to do until a fix ships
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-288 Authentication Bypass Using an Alternate Path or Channel
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

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 plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the cfp_connect() function in versions up to, and including, 1.5.6. This makes it possible for unauthenticated attackers to trigger validation and inject their own public SSL key.

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
—
Critical9.8Arbitrary File Upload
≤1.5.6No patch available
—

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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