CVE-2025-8739
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in the My-Blog software up to version 1.0.0. Attackers can trick authenticated administrators into performing unauthorized actions via the /admin/tags/save endpoint. This affects all deployments of My-Blog versions ≤1.0.0 with the admin interface exposed.
💻 Affected Systems
- zhenfeng13 My-Blog
📦 What is this software?
My Blog by Zhenfeng13
⚠️ Risk & Real-World Impact
Worst Case
An attacker could create, modify, or delete blog tags without authorization, potentially disrupting content organization or injecting malicious content.
Likely Case
Unauthorized tag manipulation leading to content disorganization or minor administrative disruption.
If Mitigated
Minimal impact if CSRF protections are implemented or admin access is restricted.
🎯 Exploit Status
Exploit details are publicly disclosed in GitHub issue #145. Requires social engineering to trick authenticated admin users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub repository for updates beyond 1.0.0
Vendor Advisory: https://github.com/ZHENFENG13/My-Blog/issues/145
Restart Required: No
Instructions:
1. Update to latest version from GitHub repository. 2. If no official patch exists, implement CSRF tokens on /admin/tags/save endpoint. 3. Review and apply security patches from the project's GitHub repository.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to the tag management form and validate them on submission
Modify /admin/tags/save endpoint to require and validate CSRF tokens
Restrict Admin Access
allLimit access to admin interface to trusted networks only
Configure firewall rules to restrict access to /admin/* paths
🧯 If You Can't Patch
- Implement network segmentation to restrict admin interface access
- Use browser extensions that block CSRF attempts
- Educate administrators about phishing risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check if running My-Blog version ≤1.0.0 and examine /admin/tags/save endpoint for CSRF token validationCheck Version:
Check package.json or project configuration files for version informationVerify Fix Applied:
Test that /admin/tags/save endpoint now requires and validates CSRF tokens📡 Detection & Monitoring
Log Indicators:
- Multiple failed tag modification attempts from same IP
- Tag changes from unusual user agents or IPs
Network Indicators:
- POST requests to /admin/tags/save without Referer headers or CSRF tokens
SIEM Query:
source="web_logs" AND uri_path="/admin/tags/save" AND http_method="POST" AND NOT csrf_token=*