Blocking Bypass Vulnerability in Banhammer Plugin for WordPress
CVE-2025-10745

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Banhammer – Monitor Site Traffic, Block Bad Users And Bots
Vendor
CVE Published:
26 September 2025

What is CVE-2025-10745?

The Banhammer plugin for WordPress is vulnerable to a blocking bypass due to the predictable nature of its site-wide 'secret key'. This vulnerability allows unauthenticated attackers to bypass the plugin's logging and blocking mechanisms by appending a crafted GET parameter, effectively disabling the protection for specific requests. Affected versions include all versions up to and including 3.4.8, necessitating prompt updates to mitigate potential exploit risks.

Affected Version(s)

Banhammer – Monitor Site Traffic, Block Bad Users and Bots * <= 3.4.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/banhammer/trun...
https://plugins.trac.wordpress.org/browser/banhammer/trun...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jonas Benjamin Friedli
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CVE-2025-10745 : Blocking Bypass Vulnerability in Banhammer Plugin for WordPress