Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: A Cross-Site Scripting (XSS) flaw in **Movary**.
💥 **Consequences**: Attackers can inject malicious scripts. This leads to **session hijacking**, **data theft**, or **defacement**.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: **CWE-20** (Improper Input Validation).
❌ **Flaw**: The application fails to properly sanitize the `categoryDeleted` parameter. Untrusted input is rendered directly into the DOM without escaping.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected**: **Movary** by **leepeuker**.
📉 **Version**: All versions **prior to 0.70.0**.
🔧 **Component**: Specifically the `settings-account-location.js` script logic.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

🕵️ **Attacker Actions**:
1. Steal **user cookies** (session tokens).
2. Perform **actions on behalf of the user**.
3. Redirect users to **malicious sites**.
4. Deface the **user interface**.

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚖️ **Threshold**: **Low** (CVSS:3.1).
🔑 **Auth**: **None required** (PR:N).
👀 **UI**: **User Interaction** required (UI:R).
🌐 **Network**: **Remote** (AV:N).…

Question 6

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

Accepted Answer

💣 **Public Exploit**: **No** public PoC found in data.
📜 **References**: GitHub Advisory (GHSA-pj3m-gmq8-2r57) confirms the issue.
🔍 **Status**: Theoretical risk until a PoC is released.…

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**:
1. Check your **Movary version**.
2. Inspect network requests for `categoryDeleted`.
3. Look for **unescaped HTML** in the `settings-account-location.js` output.
4.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed**: **Yes**.
📅 **Patch**: Version **0.70.0** resolves this.
🔗 **Source**: [GitHub Release 0.70.0](https://github.com/leepeuker/movary/releases/tag/0.70.0).…

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch Workaround**:
1. **Disable** the affected feature if possible.
2. Implement **Input Validation** on the server side for `categoryDeleted`.
3.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **High**.
📊 **CVSS Score**: **7.5** (High).
⚡ **Priority**: **P1/P2**.
🚀 **Reason**: Remote, no auth required, and impacts confidentiality/integrity. Fix it **now** to prevent user compromise.

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-23840 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

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

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

Continue exploring