Cross-Site Request Forgery Vulnerability in ZT Captcha Plugin for WordPress
CVE-2026-1075

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Zt Captcha
Vendor
CVE Published:
24 January 2026

What is CVE-2026-1075?

The ZT Captcha plugin for WordPress exhibits a vulnerability that allows unauthenticated attackers to exploit improper nonce validation on specific actions. This occurs in all versions up to and including 1.0.4, where an empty token can bypass nonce checks. By tricking site administrators into executing a forged action, attackers can alter the plugin's settings, which potentially compromises the security of the WordPress site.

Affected Version(s)

ZT Captcha 0 <= 1.0.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/zt-captcha/tru...
https://plugins.trac.wordpress.org/browser/zt-captcha/tag...

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

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Nur Ibnu Hubab
.