Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection <= 11.58 - Insufficient Authorization to Unauthenticated Blocklist Bypass

Incorrect Authorization
CVE CVE-2025-9376
CVSS Medium (6.5)
Publicly Published August 27, 2025
Last Updated August 28, 2025
Researcher Jarno Vos (jarnovos)
Description

The Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection plugin for WordPress is vulnerable to unauthorized access of data due to an insufficient capability check on the 'stopbadbots_check_wordpress_logged_in_cookie' function in all versions up to, and including, 11.58. This makes it possible for unauthenticated attackers to bypass blocklists, rate limits, and other plugin functionality.

References

1 affected software package

Software Type Plugin
Software Slug stopbadbots (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 11.58
Patched Version
  • 11.59
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