by Kastro
Paper/Archive/CVE-2025-39354

CVE-2025-39354

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

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 41.8.418 × 208.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through <= 5.3.

Affected

ProductAffectedFixed inSource
Grand Conference≤ 5.3–CNA

Scores by source

Patchstack (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refpatchstack.com/database/Wordpress/Theme/grandconference/vulnerability/wordpress-grand-conference-theme-5-2-php-object-injection-vulnerability?_s_id=cve