CVE-2025-31022

9.8 CRITICAL

📋 TL;DR

This CVE describes an authentication bypass vulnerability in the PayU India WordPress plugin that allows attackers to gain unauthorized access to user accounts. The vulnerability affects all versions before 3.8.8 and enables authentication abuse through alternate paths or channels.

💻 Affected Systems

Products:
  • PayU India WordPress Plugin
Versions: All versions before 3.8.8
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the PayU India plugin enabled. The vulnerability is present in default configurations.

⚠️ 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 account takeover of all users, including administrators, leading to data theft, financial fraud, and full website compromise.

🟠

Likely Case

Unauthorized access to user accounts, potential payment manipulation, and personal data exposure.

🟢

If Mitigated

Limited impact with proper access controls, monitoring, and network segmentation in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Authentication bypass vulnerabilities are typically easy to exploit once the attack vector is understood. The high CVSS score suggests low attack complexity.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.8.8

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/payu-india/vulnerability/wordpress-payu-india-plugin-3-8-5-account-takeover-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find PayU India plugin
4. Click 'Update Now' if available
5. If manual update needed, download version 3.8.8 from WordPress repository
6. Deactivate old plugin, upload new version, activate

🔧 Temporary Workarounds

Disable PayU India Plugin

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate payu-india

Restrict Access via WAF

all

Implement web application firewall rules to block suspicious authentication attempts

🧯 If You Can't Patch

  • Implement strong network segmentation to isolate the affected system
  • Enable detailed authentication logging and monitor for suspicious account access patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → PayU India → Version number. If version is below 3.8.8, system is vulnerable.

Check Version:

wp plugin get payu-india --field=version

Verify Fix Applied:

Confirm plugin version is 3.8.8 or higher in WordPress admin panel and test authentication flows.

📡 Detection & Monitoring

Log Indicators:

  • Unusual authentication patterns
  • Multiple failed login attempts followed by successful login from same IP
  • User account access from unexpected locations

Network Indicators:

  • Unusual API calls to authentication endpoints
  • Traffic patterns suggesting automated account testing

SIEM Query:

source="wordpress.log" AND ("payu" OR "authentication" OR "login") AND status="200" AND user_agent CONTAINS "scanner"

🔗 References

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