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How the CVE Works
The vulnerability arises due to an incomplete blacklist in Apache Zeppelin’s Helium module, allowing stored Cross-Site Scripting (XSS) attacks. Attackers can inject malicious scripts via user-controlled input fields, which are not properly sanitized. When other users view the compromised content, the script executes in their browser, potentially stealing session cookies or performing unauthorized actions. The flaw exists in versions before 0.12.0, where input validation fails to filter specific JavaScript events and attributes.
DailyCVE Form
Platform: Apache Zeppelin
Version: < 0.12.0
Vulnerability: Stored XSS
Severity: Moderate
Date: Aug 3, 2025
Prediction: Patch expected by Aug 17, 2025
What Undercode Say
Analytics:
curl -X GET "https://api.github.com/advisories/CVE-2025-XXXXX" grep -i "xss" /var/log/zeppelin/access.log
Exploit:
<script>alert(document.cookie)</script>
Protection from this CVE:
upgrade --version 0.12.0
Impact:
Session hijacking, unauthorized actions.
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Sources:
Reported By: github.com
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