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CVE-2025-54001: WordPress Classter theme <= 2.5 - 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: 2026-03-05 · updated 2026-06-17
- Weakness: CWE-502
Description
Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through <= 2.5.
Affected products
- ThemeREX Classter: through 2.5
References
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