by Kastro
Paper/Archive/CVE-2025-54001

CVE-2025-54001

ThemeREX Classter — WordPress Classter theme <= 2.5 - PHP Object Injection vulnerability

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 49.0.490 × 209.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through <= 2.5.

Affected

ProductAffectedFixed inSource
Classter≤ 2.5–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/classter/vulnerability/wordpress-classter-theme-2-5-php-object-injection-vulnerability?_s_id=cve