CVE-2025-31919 — AI Deep Analysis Summary

🚨 **Essence**: Untrusted data deserialization in WordPress plugin 'Spare'. 💥 **Consequences**: Leads to PHP Object Injection. Attackers can manipulate objects, potentially leading to full system compromise.

🛡️ **CWE**: CWE-502 (Deserialization of Untrusted Data). 🔍 **Flaw**: The plugin fails to validate or sanitize data before passing it to deserialization functions, allowing malicious payloads.

🏢 **Vendor**: Themeton. 📦 **Product**: WordPress Theme 'Spare'. 📅 **Affected Versions**: Version 1.7 and earlier.

👑 **Privileges**: High. CVSS Score indicates High Confidentiality, Integrity, and Availability impact. 📊 **Data**: Attackers can execute arbitrary code, access sensitive data, or take control of the server.

🔓 **Threshold**: Low. 🌐 **Vector**: Network (AV:N), Low Complexity (AC:L), No Privileges Required (PR:N), No User Interaction (UI:N). Easy to exploit remotely.

📜 **Exploit Status**: No public PoC listed in the data. 🌍 **Wild Exploitation**: Unknown, but the low exploitation threshold suggests high risk of automated attacks.

🔍 **Self-Check**: Scan for WordPress sites running 'Spare' theme. 📋 **Version Check**: Verify if the theme version is ≤ 1.7. Look for deserialization calls in plugin code if accessible.

🛠️ **Fix**: Update 'Spare' theme to the latest version (post-1.7). 📢 **Source**: Vendor (Themeton) or Patchstack advisory should provide the patched version.

🚧 **Workaround**: If no patch is available, disable the theme immediately. 🔒 **Mitigation**: Implement strict input validation or disable PHP deserialization functions if possible. Isolate the site.

⚡ **Priority**: CRITICAL. 🚨 **Reason**: CVSS Vector indicates High Impact with Low Exploitation Difficulty. Immediate action required to prevent potential RCE.