Critical 9.8Published Aug 6, 2026

CVE-2026-65556WordPress WPBruiser {no- Captcha anti-Spam} plugin <= 3.1.43 - PHP Object Injection vulnerability

Updated under an hour ago (2026-10-19 10:23 UTC)

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It affects MihChe WPBruiser {no- Captcha anti-Spam}. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MihChe WPBruiser {no- Captcha anti-Spam}

Exploited in the last 30 days

Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Aug 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MihChe WPBruiser {no- Captcha anti-Spam} mihche:wpbruiser_no_captcha_anti_spam (from the name)	from n/a through 3.1.43	CNA record

References

https://patchstack.com/database/wordpress/plugin/goodbye-captcha/vulnerability/wordpress-wpbruiser-no-captcha-anti-spam-plugin-3-1-43-php-object-injection-vulnerability?_s_id=cvevdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.