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CVE-2025-39354: WordPress Grand Conference theme <= 5.3 - PHP Object Injection vulnerability
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-19 · updated 2026-06-17
- Weakness: CWE-502
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.
Affected products
- ThemeGoods Grand Conference: through 5.3
References
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