WPBruiser permits unauthenticated PHP object injection
WPBruiser through 3.1.43 contains an unauthenticated PHP object-injection flaw involving attacker-controlled serialized data. A usable POP chain in WordPress, the plugin or another installed component could convert the primitive into destructive actions or code execution.
- Component
- WPBruiser {no- Captcha anti-Spam}
- Plugin slug
goodbye-captcha- Affected
- n/a through 3.1.43
- Safe version
> 3.1.43- Published
- Aug 06, 2026
This CVE was published Aug 06, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
No vendor patch is listed. Remove or deactivate WPBruiser until a verified release newer than 3.1.43 is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated PHP Object Injection in WPBruiser {no- Captcha anti-Spam} <= 3.1.43 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H