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WP Forms Puzzle Captcha <= 4.1 — Captcha Bypass

CVE-2023-48276Published · Updated

Action summary

Affected: ≤4.1No patch available

What to do until a fix ships
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:L/A:N
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:L Integrity
Low
A:N Availability
None
Weakness
CWE-804 Guessable CAPTCHA
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

WP Forms Puzzle Captcha wp-forms-puzzle-captcha

  1. Affected≤ 4.1
  2. PatchedNo fix yet

No patched version available.

You are affected if you run ≤ 4.1. No fixed version has been released.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Forms Puzzle Captcha.
  • 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 WP Forms Puzzle Captcha to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to qilin_99.

The WP Forms Puzzle Captcha plugin for WordPress is vulnerable to Captcha Bypass in versions up to, and including, 2.8. This makes it possible for unauthenticated attackers to bypass the Captcha Verification.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in WP Forms Puzzle Captcha

All 3
More vulnerabilities in WP Forms Puzzle Captcha
SeverityVulnerabilityCVEPublished
Medium6.1Cross-Site Request Forgery to Cross-Site Scripting
≤4.1No patch available
CVE-2023-48278
Medium5.4Cross-Site Request Forgery
≤4.1No patch available
CVE-2023-44997

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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