CVE-2025-26514

6.4 MEDIUM

📋 TL;DR

This is a reflected cross-site scripting (XSS) vulnerability in NetApp StorageGRID that allows attackers to execute malicious scripts in a privileged user's browser session. It affects StorageGRID versions before 11.8.0.15 and 11.9.0.8. Successful exploitation requires the attacker to know specific target information and trick a privileged user into clicking a malicious link.

💻 Affected Systems

Products:
  • NetApp StorageGRID (formerly StorageGRID Webscale)
Versions: Versions prior to 11.8.0.15 and 11.9.0.8
Operating Systems: All platforms running StorageGRID
Default Config Vulnerable: ⚠️ Yes
Notes: All StorageGRID deployments with affected versions are vulnerable by default.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attacker gains administrative access to StorageGRID, allowing them to view/modify configuration settings, add/modify user accounts, and potentially compromise the entire storage infrastructure.

🟠

Likely Case

Attacker modifies configuration settings or creates backdoor admin accounts, leading to data exposure or service disruption.

🟢

If Mitigated

No impact if proper input validation and output encoding are implemented, or if users don't click malicious links.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires social engineering to trick privileged users and knowledge of specific target information.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 11.8.0.15 or 11.9.0.8

Vendor Advisory: https://security.netapp.com/advisory/NTAP-20250910-0001

Restart Required: No

Instructions:

1. Backup current configuration. 2. Download and apply the appropriate patch (11.8.0.15 for 11.8.x, 11.9.0.8 for 11.9.x). 3. Verify patch installation. 4. Test functionality.

🔧 Temporary Workarounds

Input Validation and Output Encoding

all

Implement proper input validation and output encoding for all user-supplied data in web interfaces.

Content Security Policy (CSP)

all

Implement strict Content Security Policy headers to mitigate XSS attacks.

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads
  • Educate privileged users about phishing risks and safe browsing practices

🔍 How to Verify

Check if Vulnerable:

Check StorageGRID version via admin interface or CLI. If version is below 11.8.0.15 (for 11.8.x) or 11.9.0.8 (for 11.9.x), system is vulnerable.

Check Version:

grid version (via StorageGRID CLI) or check in StorageGRID Admin UI

Verify Fix Applied:

Verify version is 11.8.0.15 or higher (for 11.8.x) or 11.9.0.8 or higher (for 11.9.x) after patching.

📡 Detection & Monitoring

Log Indicators:

  • Unusual admin account creation/modification
  • Suspicious configuration changes
  • HTTP requests containing script tags or JavaScript in parameters

Network Indicators:

  • HTTP requests with encoded script payloads in query parameters
  • Unusual outbound connections from StorageGRID admin interface

SIEM Query:

source="storagegrid" AND (http_uri="*<script*" OR http_uri="*javascript:*" OR event_type="admin_account_modified")

🔗 References

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