CVE-2025-29049
📋 TL;DR
A Cross-Site Scripting (XSS) vulnerability in arnog MathLive versions v0.103.0 and earlier allows attackers to inject malicious scripts via the MathLive function. This affects web applications using vulnerable MathLive versions for mathematical expression rendering. The vulnerability is fixed in version 0.104.0.
💻 Affected Systems
- arnog MathLive
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could execute arbitrary JavaScript in users' browsers, potentially stealing session cookies, performing actions as the user, or redirecting to malicious sites.
Likely Case
Attackers inject malicious scripts that steal user data or session information when users interact with vulnerable MathLive components.
If Mitigated
With proper Content Security Policy (CSP) headers and input sanitization, impact is limited to script execution within the vulnerable component's context.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity when user input reaches vulnerable functions without proper sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.104.0
Vendor Advisory: https://github.com/advisories/GHSA-qwj6-q94f-8425
Restart Required: No
Instructions:
1. Update MathLive dependency to version 0.104.0 or later. 2. For npm: 'npm update mathlive'. 3. For yarn: 'yarn upgrade mathlive'. 4. Rebuild and redeploy your application.
🔧 Temporary Workarounds
Input Sanitization
allImplement server-side and client-side input validation to sanitize mathematical expressions before passing to MathLive.
Content Security Policy
allImplement strict CSP headers to limit script execution capabilities.
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to limit script execution
- Disable or remove MathLive functionality until patching is possible
🔍 How to Verify
Check if Vulnerable:
Check your package.json or dependency manifest for MathLive version. If version is 0.103.0 or earlier, you are vulnerable.Check Version:
npm list mathlive | grep mathliveVerify Fix Applied:
After updating, verify MathLive version is 0.104.0 or later. Test mathematical expression inputs for script injection attempts.📡 Detection & Monitoring
Log Indicators:
- Unusual mathematical expression inputs containing script tags or JavaScript code
- Error logs from MathLive parsing failures
Network Indicators:
- HTTP requests containing suspicious script payloads in mathematical expression parameters
SIEM Query:
source="web_logs" AND ("<script>" OR "javascript:") AND uri_path="/mathlive*"