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

2025-08-27 00:00

Jarno Vos (jarnovos)

Strategic Overview

Status

Patched in 11.59

Affected PluginBlock Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection

Affected Version<= 11.58

CVSS6.5Medium

CVECVE-2025-9376

View all Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 11.59, or a newer patched version --- IDENTIFIER: CWE-863 (Incorrect Authorization) The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

External References

https://www.cve.org/CVERecord?id=CVE-2025-9376 https://www.wordfence.com/threat-intel/vulnerabilities/id/8d6b0d86-3cb4-4723-b677-141c604f00cc

CVSS Vector

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityLow

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