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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: Unauthenticated PHP Object Injection via **Untrusted Data Deserialization**. π₯ **Consequences**: Full system compromise.β¦
π‘οΈ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). The plugin fails to validate or sanitize data before passing it to PHP's `unserialize()` function.β¦
π **Self-Check Method**: 1. Scan for **G5Theme ERE Recently Viewed** plugin. 2. Verify version is **1.3** (or unpatched versions). 3. Check for **deserialization endpoints** in the plugin's PHP files. 4.β¦
π§ **No Patch Workaround**: 1. **Disable/Deactivate** the plugin immediately if not essential. 2. **Remove** the plugin from the WordPress installation. 3.β¦
π₯ **Urgency**: **CRITICAL / IMMEDIATE ACTION REQUIRED**. With **CVSS 9.8+** (implied by H/H/H scores) and **Unauthenticated** access, this is a top-priority vulnerability.β¦