CVE-2025-25203

8.1 HIGH

📋 TL;DR

This Cross-Site Scripting (XSS) vulnerability in CtrlPanel allows attackers to inject malicious scripts into the moderator panel by manipulating the priority field during ticket creation. The vulnerability affects all CtrlPanel instances running versions prior to 1.0, potentially compromising moderator accounts and session data.

💻 Affected Systems

Products:
  • CtrlPanel
Versions: All versions prior to 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations are vulnerable. The vulnerability requires ticket creation access, which may be limited to authenticated users depending on configuration.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal moderator session cookies, perform account takeover, redirect users to malicious sites, or execute arbitrary actions with moderator privileges.

🟠

Likely Case

Attackers will steal session cookies to gain unauthorized access to moderator accounts, potentially accessing sensitive customer data or performing administrative actions.

🟢

If Mitigated

With proper input validation and output encoding, the risk is limited to minor UI disruption without code execution.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires the ability to create tickets (typically authenticated users) and a moderator to view the malicious ticket in the moderation panel.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0

Vendor Advisory: https://github.com/Ctrlpanel-gg/panel/security/advisories/GHSA-2q43-grv2-jxwh

Restart Required: No

Instructions:

1. Backup your current installation. 2. Update to CtrlPanel version 1.0 or later. 3. Verify the patch by checking the commit 393cbde662c7e54829e296eb5815794490d925c7 is applied.

🔧 Temporary Workarounds

Input Validation Filter

all

Implement server-side validation to sanitize the priority field before processing

Output Encoding

all

Apply proper HTML encoding when rendering the priority field in the moderator panel

🧯 If You Can't Patch

  • Restrict ticket creation to trusted users only
  • Implement a web application firewall (WAF) with XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check if your CtrlPanel version is below 1.0. Attempt to create a ticket with a priority field containing <script>alert('test')</script> and see if it executes when viewed in moderator panel.

Check Version:

Check the panel version in the admin interface or review the software version files in the installation directory.

Verify Fix Applied:

After updating to version 1.0, test the same XSS payload in the priority field and confirm it does not execute in the moderator panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual priority field values containing script tags or JavaScript code in ticket creation logs
  • Multiple failed login attempts on moderator accounts following ticket views

Network Indicators:

  • Outbound connections to suspicious domains from the panel server following moderator panel access

SIEM Query:

search 'ticket created' AND (priority CONTAINS '<script>' OR priority CONTAINS 'javascript:')

🔗 References

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