Open Redirect Vulnerability in Conditional CAPTCHA WordPress Plugin
CVE-2026-1369

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Conditional Captcha
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1369?

The Conditional CAPTCHA plugin for WordPress, up to version 4.0.0, exposes users to an open redirect vulnerability due to improper validation of redirect parameters. This flaw allows attackers to manipulate redirection requests, potentially leading users to malicious sites without their awareness. Properly validating and sanitizing input parameters is essential to mitigate such security risks and protect user data.

Affected Version(s)

Conditional CAPTCHA 0 <= 4.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1369 - Proof of Concept

References

https://wpscan.com/vulnerability/5a275725-85f2-4463-880b-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bob Matyas
WPScan
.