Blue Captcha Vulnerabilities

The Blue Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 2.0.1. This is due to missing or incorrect nonce validation on the main admin panel (blcap_main_page) and on the Hall of Shame and Log subpages, which accept a 'blcap_action' / 'action' parameter from $_REQ...

CVSS:

4.3

Affected:

up to 2.0.1

Fix:

No patched version reported

Disclosed:

Jun 23, 2026

CVE-2026-10552 on NVD →

The Blue Captcha plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 1.7.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully tr...

CVSS:

6.1

Affected:

up to 1.7.4

Fixed in:

2.0.0

Disclosed:

Mar 24, 2025

CVE-2025-28880 on NVD →