CVE-2023-37462 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-74 (Improper Neutralization of Special Elements). 🐛 **Flaw**: The document `SkinsCode.XWikiSkinsSheet` fails to properly escape input, creating an injection vector from view rights to programming rights.

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: XWiki (French XWiki Foundation). 📦 **Product**: XWiki Platform. 📅 **Published**: July 14, 2023. ⚠️ **Scope**: Any installation using this platform without the specific patch.

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

🔓 **Privileges**: Escalates from 'View' to 'Programming' rights. 💾 **Data Impact**: Unrestricted read/write access to ALL wiki contents. 🖥️ **Action**: Execute arbitrary Groovy/Python macros remotely.

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

🔑 **Auth**: Requires 'View' right on the specific document. 🎯 **Config**: Low complexity. Attack works by opening a crafted non-existing page name containing the payload. No UI interaction needed.

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

🔍 **PoC**: Yes. Public Nuclei template available via ProjectDiscovery. 🌐 **Exploit**: Proof-of-concept exists to check vulnerability status. Wild exploitation is possible via crafted URLs.

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

🔎 **Check**: Use Nuclei templates (`CVE-2023-37462.yaml`). 📝 **Manual**: Attempt to access a crafted page name with dangerous payload. 🛠️ **Tool**: GitHub Jira issue XWIKI-20457 for details.

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

✅ **Fixed**: Yes. Official patch available via GitHub commit `d9c88dd`. 📢 **Advisory**: GHSA-h4vp-69r8-gvjg confirms the fix. 🔄 **Action**: Update XWiki Platform immediately.

Q: What if no patch? (Workaround)

🚧 **Workaround**: Restrict access to `SkinsCode.XWikiSkinsSheet`. 🛑 **Mitigation**: Disable Groovy/Python macro execution if possible. 📉 **Limit**: Reduce 'View' permissions for sensitive documents.

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 📈 **CVSS**: 9.8 (High). 🚨 **Urgency**: Immediate patching required. RCE + Full Data Access = Severe Business Impact.

Updated May 08, 2026 CVSS 10.0 · 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**: Improper escaping in `SkinsCode.XWikiSkinsSheet` allows injection. 💥 **Consequences**: Remote Code Execution (RCE).…

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Q2Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-74 (Improper Neutralization of Special Elements). 🐛 **Flaw**: The document `SkinsCode.XWikiSkinsSheet` fails to properly escape input, creating an injection vector from view rights to programming rights.

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: XWiki (French XWiki Foundation). 📦 **Product**: XWiki Platform. 📅 **Published**: July 14, 2023. ⚠️ **Scope**: Any installation using this platform without the specific patch.

Q4What can hackers do? (Privileges/Data)

🔓 **Privileges**: Escalates from 'View' to 'Programming' rights. 💾 **Data Impact**: Unrestricted read/write access to ALL wiki contents. 🖥️ **Action**: Execute arbitrary Groovy/Python macros remotely.

Q5Is exploitation threshold high? (Auth/Config)

🔑 **Auth**: Requires 'View' right on the specific document. 🎯 **Config**: Low complexity. Attack works by opening a crafted non-existing page name containing the payload. No UI interaction needed.

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

🔍 **PoC**: Yes. Public Nuclei template available via ProjectDiscovery. 🌐 **Exploit**: Proof-of-concept exists to check vulnerability status. Wild exploitation is possible via crafted URLs.

Q7How to self-check? (Features/Scanning)

🔎 **Check**: Use Nuclei templates (`CVE-2023-37462.yaml`). 📝 **Manual**: Attempt to access a crafted page name with dangerous payload. 🛠️ **Tool**: GitHub Jira issue XWIKI-20457 for details.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. Official patch available via GitHub commit `d9c88dd`. 📢 **Advisory**: GHSA-h4vp-69r8-gvjg confirms the fix. 🔄 **Action**: Update XWiki Platform immediately.

Q9What if no patch? (Workaround)

🚧 **Workaround**: Restrict access to `SkinsCode.XWikiSkinsSheet`. 🛑 **Mitigation**: Disable Groovy/Python macro execution if possible. 📉 **Limit**: Reduce 'View' permissions for sensitive documents.

Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 📈 **CVSS**: 9.8 (High). 🚨 **Urgency**: Immediate patching required. RCE + Full Data Access = Severe Business Impact.

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Vulnerability detail Full AI analysis (login) xwiki CWE-74