CVE-2025-39354criticalCWE-502

CVE-2025-39354: critical vulnerability in ThemeGoods Grand Conference

WordPress Grand Conference theme <= 5.3 - PHP Object Injection vulnerability

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.5%
Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through <= 5.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
ThemeGoods · Grand Conference
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CVE-2026-24943HIGHWordPress Grand Conference theme <= 5.3.4 - Reflected Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%