CVE-2026-59544

CRITICAL

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

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0031
EPSS Percentile 23.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-502
Status published
Products (1)
Thrive Themes Coupon/Thrive Quiz Builder < 10.9.3.0
Published Jul 23, 2026
Tracked Since Jul 23, 2026