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WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection <= 3.6.2 — Authenticated (Subscriber+) Brute-Force Lockout Bypass

CVE-2026-121612Published · Updated

Action summary

Affected: ≤3.6.2Update to 3.6.3 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-287 Improper Authentication
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection goodbye-captcha

  1. Affected≤ 3.6.2
  2. Patched in3.6.3

Update to 3.6.3 or newer.

You are affected if you run ≤ 3.6.2. Version 3.6.3 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.6.3, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Aarush Gaur.

The WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection plugin for WordPress is vulnerable to account lockout bypass in all versions up to, and including, 3.6.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to bypass account lockouts when they have been blocked from brute force.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection

All 2
More vulnerabilities in WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection
SeverityVulnerabilityCVEPublished
High8.1Unauthenticated PHP Object Injection
≤3.1.43Update to 3.2.1
CVE-2026-65556

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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