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VulnerabilityPublished

CVE-2026-121612: WPBruiser {no- Captcha anti-Spam} (WordPress plugin) · Weak Authentication

Affects WPBruiser {no- Captcha anti-Spam} (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 3.6.3 when convenient.

Data as of 9 Nov 2026, 17:05 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Patchstack)CVSS 3.14.3
Patch
Available – fixed in 3.6.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade WPBruiser {no- Captcha anti-Spam} (WordPress plugin) to 3.6.3.

Affected software

ProductAffectedFixed in
WPBruiser {no- Captcha anti-Spam}goodbye-captchaAffected
  • <3.6.3
Fixed in
  • 3.6.3

AI-suggested

Upgrade WPBruiser {no- Captcha anti-Spam} to version 3.6.3 or later, where the vulnerability has been fixed. No additional mitigation steps are indicated by the vendor.

Description

CVE-2026-121612 is a weakness in the authentication mechanism of WPZOOM's WPBruiser {no- Captcha anti-Spam} plugin, allowing potential authentication abuse. The vulnerability affects versions from initial releases up to 3.6.2. A fix is available in version 3.6.3. The CVSS score is 4.3, indicating a medium severity impact primarily on integrity without affecting confidentiality or availability.

References

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