CVE-2025-31800

6.5 MEDIUM

📋 TL;DR

This path traversal vulnerability in the Publitio WordPress plugin allows attackers to read arbitrary files on the server by manipulating file paths. It affects all WordPress sites using Publitio plugin versions up to 2.1.8. The vulnerability enables unauthorized access to sensitive files including configuration files and credentials.

💻 Affected Systems

Products:
  • Publitio WordPress Plugin
Versions: n/a through 2.1.8
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with Publitio plugin enabled are vulnerable regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise through reading sensitive configuration files (wp-config.php, .env files) containing database credentials, API keys, and other secrets, potentially leading to full site takeover.

🟠

Likely Case

Unauthorized access to sensitive files including WordPress configuration, user data, and server information, enabling further attacks or data exfiltration.

🟢

If Mitigated

Limited impact if proper file permissions restrict access to sensitive files and web server runs with minimal privileges.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple path traversal payloads can be used to read files. The vulnerability is publicly documented with technical details.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.1.9 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/publitio/vulnerability/wordpress-publitio-plugin-2-1-8-arbitrary-file-read-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Publitio plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 2.1.9+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Publitio Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate publitio

Web Application Firewall Rule

all

Block path traversal patterns in requests.

Add WAF rule: Block requests containing '../' or '..\' patterns

🧯 If You Can't Patch

  • Remove Publitio plugin entirely from production systems
  • Implement strict file permissions and disable directory listing on web server

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Publitio version. If version is 2.1.8 or earlier, system is vulnerable.

Check Version:

wp plugin get publitio --field=version

Verify Fix Applied:

Confirm Publitio plugin version is 2.1.9 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing '../' patterns to Publitio endpoints
  • Unusual file access patterns in web server logs
  • Multiple 200 OK responses for non-existent file paths

Network Indicators:

  • GET requests with encoded directory traversal sequences (%2e%2e%2f, ..%2f)
  • Requests to Publitio endpoints with file path parameters

SIEM Query:

source="web_logs" AND (uri="*publitio*" AND (uri="*../*" OR uri="*..%2f*" OR uri="*%2e%2e%2f*"))

🔗 References

📤 Share & Export