CVE-2026-59544

WordPress Thrive Quiz Builder plugin <= 10.9.3.0 - PHP Object Injection vulnerability

State: Published
Severity: 9.8 Critical
Published: Jul 23, 2026
Updated: Jul 23, 2026
Reserved: Jul 5, 2026

Description

Unauthenticated PHP Object Injection in Thrive Quiz Builder <= 10.9.3.0 versions.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Thrive Quiz BuilderThrive Themes Coupon	10.9.3.0 and earlierAffectedfrom 10.9.3.1Not affected

References

https://patchstack.com/database/wordpress/plugin/thrive-quiz-builder/vulnerability/wordpress-thrive-quiz-builder-plugin-10-9-3-0-php-object-injection-vulnerability?_s_id=cvevdb-entry

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