CVE-2025-11833 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🔍 **Root Cause**: **CWE-862** (Missing Authorization). 🐛 **Flaw**: The `__construct` function fails to verify user permissions before accessing email logs.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Post SMTP**. 📅 **Versions**: **3.6.0 and earlier**. 👤 **Vendor**: saadiqbal.

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

🕵️ **Hackers Can**: Read **arbitrary logged emails** without login. 🔑 **Impact**: Intercept password reset links, steal credentials, and fully **take over user accounts**.

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

⚡ **Threshold**: **LOW**. 🚫 **Auth**: **No authentication required**. 🌐 **Access**: Exploitable via network (AV:N) with low complexity (AC:L).

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

🔓 **Public Exp?**: **YES**. 📂 **PoCs**: Multiple GitHub repos (e.g., `CVE-2025-11833-LAB`, `CVE-2025-11833 Checker`) and Nuclei templates available for immediate testing.

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

🔎 **Self-Check**: Use **Nuclei** with CVE-2025-11833 template. 🛠️ **Manual**: Run Python checkers against target URLs. Look for unauthenticated access to email log endpoints.

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

🛡️ **Fixed?**: **YES**. 📝 **Patch**: Official fix referenced in WordPress Trac changeset **3386160**. Update plugin immediately.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: **Workaround**: Disable the plugin if not essential. 🔒 **Mitigation**: Restrict access to `PostmanEmailLogs.php` via WAF or server config. Monitor logs for unauthorized access attempts.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⏱️ **Priority**: **Immediate Action Required**. CVSS 9.8 + Public PoCs + No Auth = High Risk of Active Exploitation.

Updated May 06, 2026 CVSS 9.8 · 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**: Post SMTP plugin (≤3.6.0) lacks capability checks. <br>💥 **Consequences**: Unauthenticated attackers read arbitrary email logs.…

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Q2Root Cause? (CWE/Flaw)

🔍 **Root Cause**: **CWE-862** (Missing Authorization). <br>🐛 **Flaw**: The `__construct` function fails to verify user permissions before accessing email logs.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Post SMTP**. <br>📅 **Versions**: **3.6.0 and earlier**. <br>👤 **Vendor**: saadiqbal.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Read **arbitrary logged emails** without login. <br>🔑 **Impact**: Intercept password reset links, steal credentials, and fully **take over user accounts**.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. <br>🚫 **Auth**: **No authentication required**. <br>🌐 **Access**: Exploitable via network (AV:N) with low complexity (AC:L).

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

🔓 **Public Exp?**: **YES**. <br>📂 **PoCs**: Multiple GitHub repos (e.g., `CVE-2025-11833-LAB`, `CVE-2025-11833 Checker`) and Nuclei templates available for immediate testing.

Q7How to self-check? (Features/Scanning)

🔎 **Self-Check**: Use **Nuclei** with CVE-2025-11833 template. <br>🛠️ **Manual**: Run Python checkers against target URLs. Look for unauthenticated access to email log endpoints.

Q8Is it fixed officially? (Patch/Mitigation)

🛡️ **Fixed?**: **YES**. <br>📝 **Patch**: Official fix referenced in WordPress Trac changeset **3386160**. Update plugin immediately.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Workaround**: Disable the plugin if not essential. <br>🔒 **Mitigation**: Restrict access to `PostmanEmailLogs.php` via WAF or server config. Monitor logs for unauthorized access attempts.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⏱️ **Priority**: **Immediate Action Required**. CVSS 9.8 + Public PoCs + No Auth = High Risk of Active Exploitation.

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Vulnerability detail Full AI analysis (login) saadiqbal CWE-862