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Conditional Fields for Contact Form 7 <= 2.7.2 — Unauthenticated Denial of Service

CVE-2026-25863Published · Updated

Action summary

Affected: ≤2.7.2Update to 2.7.3 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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:N Confidentiality
None
I:N Integrity
None
A:L Availability
Low
Weakness
CWE-1284 Improper Validation of Specified Quantity in Input
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Conditional Fields for Contact Form 7 cf7-conditional-fields

  1. Affected≤ 2.7.2
  2. Patched in2.7.3

Update to 2.7.3 or newer.

You are affected if you run ≤ 2.7.2. Version 2.7.3 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Conditional Fields for Contact Form 7.
  • 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 2.7.3, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Conditional Fields for Contact Form 7 to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Rahul Karne.

The Conditional Fields for Contact Form 7 plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 2.7.2. This makes it possible for unauthenticated attackers to starve the server of resources.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Conditional Fields for Contact Form 7

All 5
More vulnerabilities in Conditional Fields for Contact Form 7
SeverityVulnerabilityCVEPublished
Medium4.4Authenticated (Editor+) Stored Cross-Site Scripting
≤2.4.15Update to 2.5
CVE-2024-50412
Medium4.3Cross-Site Request Forgery to Plugin Setting Reset
≤2.4.13Update to 2.4.14
CVE-2024-5804
Medium4.3Missing Authorization
≤2.4.1Update to 2.4.2
CVE-2023-47838
Medium4.3Missing Authorization
≤2.4.0Update to 2.4.1
—

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. 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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