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Blue Captcha vulnerabilities

2 tracked advisories · slug blue-captcha

Important: Blue Captcha appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

2

Latest advisory

23 June 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

blue-captcha

Plugin

What this means for Blue Captcha

This catalog lists 2 known advisories affecting Blue Captcha. The most recent was published on 23 June 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Blue Captcha <= 2.0.1 - Cross-Site Request Forgery via 'blcap_action' Parameter

    May trick authenticated users into performing unintended actions.

    Published 23 June 2026

  • Blue Captcha <= 1.7.4 - Reflected Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 24 March 2025

Vulnerability types

  • CSRF1
  • Cross-site scripting1

Authentication (inferred from titles)

  • Unauthenticated0
  • Authenticated0
  • Unspecified2

Advisory history

Known Blue Captcha advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Blue Captcha version against this catalog when the Defence plugin is connected to your WordPress site.

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