CVE-2025-15511

5.3 MEDIUM

📋 TL;DR

The Rupantorpay WordPress plugin has an authentication bypass vulnerability that allows unauthenticated attackers to modify WooCommerce order statuses via crafted API requests. This affects all WordPress sites using Rupantorpay plugin versions up to 2.0.0 with WooCommerce enabled.

💻 Affected Systems

Products:
  • WordPress Rupantorpay Payment Gateway Plugin
Versions: All versions up to and including 2.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WooCommerce to be installed and the Rupantorpay plugin to be active.

⚠️ 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

Attackers could mark paid orders as unpaid or cancel completed orders, causing financial loss, inventory discrepancies, and customer service issues.

🟠

Likely Case

Attackers modify order statuses to disrupt business operations, cause confusion in fulfillment, or test payment systems.

🟢

If Mitigated

With proper web application firewalls and API monitoring, attacks would be blocked or detected before causing damage.

🌐 Internet-Facing: HIGH - The vulnerable endpoint is accessible from the internet without authentication.
🏢 Internal Only: LOW - The vulnerability requires external API access, not internal network access.

🎯 Exploit Status

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

Simple HTTP POST requests to the webhook endpoint can trigger the vulnerability without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.0.1 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3200000%40rupantorpay%2Ftrunk&old=3199999%40rupantorpay%2Ftrunk

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find Rupantorpay plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 2.0.1+ from WordPress.org and replace plugin files.

🔧 Temporary Workarounds

Disable Rupantorpay Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate rupantorpay

Web Application Firewall Rule

all

Block access to the vulnerable webhook endpoint

# Add rule to block /wc-api/rupantorpay_webhook requests from unauthorized sources

🧯 If You Can't Patch

  • Implement IP whitelisting for the /wc-api/rupantorpay_webhook endpoint
  • Monitor WooCommerce order status change logs for unauthorized modifications

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Rupantorpay → Version. If version is 2.0.0 or lower, you are vulnerable.

Check Version:

wp plugin get rupantorpay --field=version

Verify Fix Applied:

After updating, verify plugin version shows 2.0.1 or higher in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wc-api/rupantorpay_webhook
  • WooCommerce order status changes without corresponding user actions

Network Indicators:

  • HTTP POST requests to /wc-api/rupantorpay_webhook from unexpected IP addresses

SIEM Query:

source="web_server" AND (uri_path="/wc-api/rupantorpay_webhook" OR user_agent="*rupantorpay*")

🔗 References

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