CVE-2025-10869
📋 TL;DR
A stored cross-site scripting vulnerability in Oct8ne Chatbot v2.3 allows attackers to inject malicious JavaScript into transcripts that are sent via email. When victims open these emails, the script executes in their browser, potentially stealing session cookies or performing unauthorized actions. Organizations using Oct8ne Chatbot v2.3 are affected.
💻 Affected Systems
- Oct8ne Chatbot
📦 What is this software?
Chatbot by Oct8ne
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full control of the chatbot system, and compromise all user data and conversations.
Likely Case
Attackers steal user session cookies from email recipients, hijack their sessions, and access sensitive chatbot conversations.
If Mitigated
Email clients with strict content security policies block the script execution, limiting impact to users with vulnerable email clients.
🎯 Exploit Status
Exploitation requires creating a transcript with malicious payload, which may require some level of access to the chatbot interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after v2.3 (specific version not specified in reference)
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-oct8ne-chatbot
Restart Required: No
Instructions:
1. Check current Oct8ne Chatbot version. 2. Upgrade to the latest version that includes XSS protection. 3. Verify that input validation and output encoding are properly implemented for transcript data.
🔧 Temporary Workarounds
Disable email transcript functionality
allTemporarily disable the feature that sends transcripts via email until patching is complete.
Specific commands depend on Oct8ne Chatbot configuration interface
Implement Content Security Policy headers
allAdd strict CSP headers to prevent script execution from untrusted sources.
Add 'Content-Security-Policy: script-src 'self'' to web server configuration
🧯 If You Can't Patch
- Implement web application firewall rules to block XSS payloads in transcript data
- Monitor email delivery logs for suspicious transcript content patterns
🔍 How to Verify
Check if Vulnerable:
Test if unescaped HTML/JavaScript in transcript creation persists and executes when viewed in email.Check Version:
Check Oct8ne Chatbot admin panel or configuration files for version informationVerify Fix Applied:
Attempt to inject XSS payloads in transcript creation and verify they are properly sanitized in email output.📡 Detection & Monitoring
Log Indicators:
- Unusual transcript creation patterns
- Large or suspicious payloads in transcript data
Network Indicators:
- Suspicious email attachments or content from chatbot system
SIEM Query:
search 'transcript' AND ('script' OR 'javascript' OR '<script>') in web application logs