CVE-2022-31631 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical security flaw in **PHP** (server-side scripting language). ⚠️ **Consequences**: Attackers can **read** or **modify** sensitive data. This breaks data integrity and confidentiality.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Linked to **CWE-74** (Improper Neutralization of Special Elements). 🔍 **Flaw**: Likely involves improper handling of special characters or elements, allowing injection or manipulation.

Q: Who is affected? (Versions/Components)

🏢 **Affected**: **PHP Group** products. 📦 **Component**: Core **PHP** engine. 📅 **Note**: Published Feb 2025, implies older or unpatched versions are at risk.

Q: What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: 1️⃣ **Read Data**: Exfiltrate confidential info. 2️⃣ **Change Data**: Modify server-side state. 🔑 **Privileges**: High impact on Confidentiality (C:H) and Integrity (I:H).

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. 📊 **CVSS**: AV:N (Network), AC:L (Low Complexity), PR:N (No Privileges Required). 🚀 **Ease**: Easy to exploit remotely without authentication.

Q: Is there a public Exp? (PoC/Wild Exploitation)

🕵️ **Public Exploit**: **No** public PoC listed in data. 📝 **Reference**: Bug report #81740 exists, but no active wild exploitation confirmed yet.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: 1. Scan for **PHP** versions. 2. Check for **CWE-74** patterns in code. 3. Monitor logs for unexpected data modifications.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Fix Status**: **Yes**, officially reported. 🔗 **Link**: [PHP Bug #81740](https://bugs.php.net/bug.php?id=81740). ✅ **Action**: Update PHP to the patched version immediately.

Q: What if no patch? (Workaround)

🛑 **No Patch?**: 1. **Input Validation**: Strictly sanitize inputs. 2. **WAF**: Deploy Web Application Firewall rules. 3. **Least Privilege**: Restrict PHP process permissions.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 📈 **Priority**: Critical due to **CVSS High** impact (C:H, I:H) and **Low** exploitation barrier. Patch ASAP to prevent data breach.

Updated May 06, 2026 CVSS 9.1 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical security flaw in **PHP** (server-side scripting language). <br>⚠️ **Consequences**: Attackers can **read** or **modify** sensitive data. This breaks data integrity and confidentiality.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Linked to **CWE-74** (Improper Neutralization of Special Elements). <br>🔍 **Flaw**: Likely involves improper handling of special characters or elements, allowing injection or manipulation.

Q3Who is affected? (Versions/Components)

🏢 **Affected**: **PHP Group** products. <br>📦 **Component**: Core **PHP** engine. <br>📅 **Note**: Published Feb 2025, implies older or unpatched versions are at risk.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: <br>1️⃣ **Read Data**: Exfiltrate confidential info. <br>2️⃣ **Change Data**: Modify server-side state. <br>🔑 **Privileges**: High impact on Confidentiality (C:H) and Integrity (I:H).

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. <br>📊 **CVSS**: AV:N (Network), AC:L (Low Complexity), PR:N (No Privileges Required). <br>🚀 **Ease**: Easy to exploit remotely without authentication.

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

🕵️ **Public Exploit**: **No** public PoC listed in data. <br>📝 **Reference**: Bug report #81740 exists, but no active wild exploitation confirmed yet.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Scan for **PHP** versions. <br>2. Check for **CWE-74** patterns in code. <br>3. Monitor logs for unexpected data modifications.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix Status**: **Yes**, officially reported. <br>🔗 **Link**: [PHP Bug #81740](https://bugs.php.net/bug.php?id=81740). <br>✅ **Action**: Update PHP to the patched version immediately.

Q9What if no patch? (Workaround)

🛑 **No Patch?**: <br>1. **Input Validation**: Strictly sanitize inputs. <br>2. **WAF**: Deploy Web Application Firewall rules. <br>3. **Least Privilege**: Restrict PHP process permissions.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>📈 **Priority**: Critical due to **CVSS High** impact (C:H, I:H) and **Low** exploitation barrier. Patch ASAP to prevent data breach.

Continue exploring

Vulnerability detail Full AI analysis (login) PHP Group CWE-74