CVE-2025-39354CRITICAL 9.8EPSS p31.3%

CVE-2025-39354CVE-2025-39354

Description

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.40% probability of exploitation · percentile 31.3% · 2026-06-18T12:00:27Z
Published2025-05-19
Last modified2026-04-23

Underlying weaknesses· 1

CWE-502

References

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

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.