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CVE-2025-49401 — AI Deep Analysis Summary

CVSS 9.8 · Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical PHP Object Injection flaw in the **Quiz And Survey Master** plugin.…

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **Improper Deserialization** (CWE-266).…

Q3Who is affected? (Versions/Components)

🏢 **Affected Vendor**: **axiomthemes**. 📦 **Product**: Quiz And Survey Master (also linked to Smart SEO in references). 📅 **Version**: **10.2.5 and earlier**. If you’re running this version, you’re vulnerable!

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: With **CVSS 9.1 (Critical)**, hackers can achieve **High Confidentiality, Integrity, and Availability impact**.…

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Exploitation Threshold**: **LOW**. The CVSS vector shows **AV:N** (Network), **AC:L** (Low Complexity), **PR:N** (No Privileges Required), and **UI:N** (No User Interaction).…

Q6Is there a public Exp? (PoC/Wild Exploitation)

🔍 **Public Exploit Status**: The provided data lists **empty PoCs** (`pocs: []`). However, the vulnerability is well-documented in vulnerability databases (Patchstack).…

Q7How to self-check? (Features/Scanning)

🔎 **Self-Check Method**: 1. Check your WordPress plugin list for **Quiz And Survey Master**. 2. Verify the version is **≤ 10.2.5**. 3.…

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Official Fix**: Yes, updates are available. The vulnerability affects versions **10.2.5 and prior**. You must update to the latest version released by **axiomthemes** to patch the deserialization issue. 🔄

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: If you cannot update immediately: 1. **Disable** the plugin if not in use. 2. Implement **WAF rules** to block suspicious PHP serialization patterns. 3.…

Q10Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. With a **CVSS 3.1 score of 9.1** and **No Auth Required**, this is an immediate threat. Prioritize patching or mitigation **TODAY** to prevent remote code execution. ⏳