CVE-2023-27472
📋 TL;DR
This is a cross-site scripting (XSS) vulnerability in quickentity-editor-next, a local video game asset editor. It allows attackers to execute arbitrary JavaScript code in the user's browser by loading files containing malicious HTML tags in entity names. All users running affected versions are vulnerable.
💻 Affected Systems
- quickentity-editor-next
📦 What is this software?
Quickentity Editor by Quickentity Editor Project
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the user's system through browser-based attacks, including credential theft, malware installation, or data exfiltration via the browser sandbox.
Likely Case
Session hijacking, cookie theft, or malicious actions performed within the application context, potentially leading to further system compromise.
If Mitigated
Limited impact if browser security controls like Content Security Policy are enforced, though XSS could still enable phishing or limited data theft.
🎯 Exploit Status
Exploitation requires user interaction to load a malicious file, but no authentication is needed once the file is loaded.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.28.1
Vendor Advisory: https://github.com/atampy25/quickentity-editor-next/security/advisories/GHSA-22gc-rq5x-fxpw
Restart Required: Yes
Instructions:
1. Download version 1.28.1 or later from the official repository. 2. Uninstall the old version. 3. Install the new version. 4. Restart the application.
🔧 Temporary Workarounds
No known workarounds
allThe advisory states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Avoid loading untrusted project files from unknown sources.
- Use the application in a sandboxed environment or virtual machine to limit potential damage.
🔍 How to Verify
Check if Vulnerable:
Check the application version in the About menu or settings. If version is below 1.28.1, it is vulnerable.
Check Version:
Check the application's About dialog or settings panel for version information.
Verify Fix Applied:
After updating, verify the version shows 1.28.1 or higher in the application interface.
📡 Detection & Monitoring
Log Indicators:
- Unusual file loading activity
- JavaScript errors or unexpected script execution in application logs
Network Indicators:
- Unexpected outbound connections from the application to external domains
SIEM Query:
Not applicable as this is a local desktop application without centralized logging by default.
🔗 References
- https://github.com/atampy25/quickentity-editor-next/commit/5303b45a20a6e4e9318729b8dd7bbf09b37b369d
- https://github.com/atampy25/quickentity-editor-next/security/advisories/GHSA-22gc-rq5x-fxpw
- https://github.com/atampy25/quickentity-editor-next/commit/5303b45a20a6e4e9318729b8dd7bbf09b37b369d
- https://github.com/atampy25/quickentity-editor-next/security/advisories/GHSA-22gc-rq5x-fxpw