Goal Reached Thanks to every supporter β€” we hit 100%!

Goal: 1000 CNY Β· Raised: 1000 CNY

100.0%

CVE-2026-34564 β€” AI Deep Analysis Summary

CVSS 9.1 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Stored DOM-based XSS in CI4MS. πŸ“‰ **Consequences**: Malicious scripts execute in victim browsers via navigation menus. Leads to session hijacking or data theft.

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **CWE**: CWE-79 (Improper Neutralization of Input). πŸ” **Flaw**: User input in menu management is not sanitized. Allows injection of malicious scripts into the DOM.

Q3Who is affected? (Versions/Components)

πŸ“¦ **Product**: CI4MS (Ci4MS). 🏷️ **Vendor**: ci4-cms-erp. πŸ“… **Affected**: Versions **< 0.31.0.0**. βœ… **Fixed**: 0.31.0.0+.

Q4What can hackers do? (Privileges/Data)

πŸ’» **Hackers Can**: Execute arbitrary JS. πŸ•΅οΈ **Impact**: Steal cookies, redirect users, or deface pages. πŸ“Š **Data**: Access sensitive user data stored in the browser context.

Q5Is exploitation threshold high? (Auth/Config)

πŸ”‘ **Auth Required**: Yes (PR:L). 🌐 **Access**: Network (AV:N). ⚠️ **Threshold**: Low complexity (AC:L), No user interaction needed (UI:N).

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

🚫 **Public Exp**: No PoCs listed in data. 🌍 **Wild Exp**: Unconfirmed. However, XSS is easily exploitable once input is found.

Q7How to self-check? (Features/Scanning)

πŸ” **Check**: Look for unsanitized input in 'Menu Management' features. πŸ“‘ **Scan**: Use XSS scanners targeting navigation menu inputs. πŸ§ͺ **Test**: Inject `<script>alert(1)</script>` into menu fields.

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Fixed**: Yes! Upgrade to **v0.31.0.0** or later. πŸ”— **Ref**: GitHub Release & Security Advisory (GHSA-g4pp-fhgf-8653).

Q9What if no patch? (Workaround)

πŸ›‘οΈ **Workaround**: Sanitize all menu input fields manually. 🚫 **Block**: Restrict access to menu management if possible. 🧹 **Filter**: Implement strict output encoding on the frontend.

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: HIGH. πŸ“ˆ **CVSS**: 7.5 (High). ⚑ **Action**: Patch immediately. Stored XSS poses significant risk to user security and site integrity.