CVE-2025-53836 — AI Deep Analysis Summary

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

🚨 **Essence**: XWiki Rendering fails to preserve context limits during macro parsing. 📉 **Consequences**: Attackers can bypass restrictions and execute **restricted macros**, leading to potential system compromise.

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE-863**: Incorrect Authorization. 🐛 **Flaw**: The macro content parser ignores conversion context limit attributes, allowing unauthorized execution paths.

Q: Who is affected? (Versions/Components)

📦 **Vendor**: XWiki. 📉 **Affected**: Versions < 4.2-milestone-1, < 13.10.11, < 14.4.7, and < 14.10 of **xwiki-rendering**.

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

💥 **Impact**: High (CVSS H). 📂 **Data/Privs**: Full Control (C:H, I:H, A:H). Hackers can execute restricted macros, potentially gaining significant system privileges.

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

🔐 **Auth Required**: Yes (PR:L). 🌐 **Network**: Remote (AV:N). ⚠️ **Threshold**: Low complexity (AC:L), No UI interaction (UI:N). Requires **Low Privilege** user access.

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

🚫 **Public Exp**: No PoCs listed in data. 🕵️ **Status**: Theoretical/Unconfirmed wild exploitation. Rely on vendor advisories for proof.

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

🔍 **Check**: Scan for XWiki Rendering versions. 📋 **Verify**: Look for versions older than the fixed releases (e.g., 14.10). Use CVE scanners targeting CWE-863.

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

✅ **Fixed**: Yes. 🛠️ **Patch**: Upgrade to **14.10** or later (or specific maintenance releases like 14.4.7, 13.10.11). See GitHub Advisory GHSA-32mf-57h2-64x9.

Q: What if no patch? (Workaround)

🚧 **Workaround**: If unpatched, restrict macro usage via server-side configuration. 🛑 Disable untrusted macro execution where possible until update is applied.

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: HIGH. 🚀 **Urgency**: CVSS Vector indicates Critical impact (S:C, C:H, I:H, A:H). Patch immediately to prevent restricted macro abuse.

Updated May 06, 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**: XWiki Rendering fails to preserve context limits during macro parsing. 📉 **Consequences**: Attackers can bypass restrictions and execute **restricted macros**, leading to potential system compromise.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE-863**: Incorrect Authorization. 🐛 **Flaw**: The macro content parser ignores conversion context limit attributes, allowing unauthorized execution paths.

Q3Who is affected? (Versions/Components)

📦 **Vendor**: XWiki. 📉 **Affected**: Versions < 4.2-milestone-1, < 13.10.11, < 14.4.7, and < 14.10 of **xwiki-rendering**.

Q4What can hackers do? (Privileges/Data)

💥 **Impact**: High (CVSS H). 📂 **Data/Privs**: Full Control (C:H, I:H, A:H). Hackers can execute restricted macros, potentially gaining significant system privileges.

Q5Is exploitation threshold high? (Auth/Config)

🔐 **Auth Required**: Yes (PR:L). 🌐 **Network**: Remote (AV:N). ⚠️ **Threshold**: Low complexity (AC:L), No UI interaction (UI:N). Requires **Low Privilege** user access.

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

🚫 **Public Exp**: No PoCs listed in data. 🕵️ **Status**: Theoretical/Unconfirmed wild exploitation. Rely on vendor advisories for proof.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for XWiki Rendering versions. 📋 **Verify**: Look for versions older than the fixed releases (e.g., 14.10). Use CVE scanners targeting CWE-863.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. 🛠️ **Patch**: Upgrade to **14.10** or later (or specific maintenance releases like 14.4.7, 13.10.11). See GitHub Advisory GHSA-32mf-57h2-64x9.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If unpatched, restrict macro usage via server-side configuration. 🛑 Disable untrusted macro execution where possible until update is applied.

Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: HIGH. 🚀 **Urgency**: CVSS Vector indicates Critical impact (S:C, C:H, I:H, A:H). Patch immediately to prevent restricted macro abuse.

Continue exploring

Vulnerability detail Full AI analysis (login) xwiki CWE-863