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.

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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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