CVE-2025-30779

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the Doneren met Mollie WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Doneren met Mollie plugin versions up to 2.10.7 are affected.

💻 Affected Systems

Products:
  • Doneren met Mollie WordPress plugin
Versions: n/a through 2.10.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin version are affected 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

Attackers could steal administrator session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites, potentially leading to complete site compromise and data theft.

🟠

Likely Case

Attackers inject malicious JavaScript that steals user session cookies or credentials, potentially compromising user accounts and performing unauthorized actions on their behalf.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers, preventing execution and limiting impact to data integrity issues.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE are not publicly documented.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.10.8 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/doneren-met-mollie/vulnerability/wordpress-doneren-met-mollie-2-10-7-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Doneren met Mollie'
4. Click 'Update Now' if update available
5. If no update available, download latest version from WordPress repository
6. Deactivate old version, upload new version, activate

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Doneren met Mollie plugin until patched version is available

wp plugin deactivate doneren-met-mollie

Implement Content Security Policy

all

Add CSP headers to restrict script execution sources

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads
  • Disable user input fields that could be vulnerable until patch is applied

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins, find Doneren met Mollie and check version number

Check Version:

wp plugin get doneren-met-mollie --field=version

Verify Fix Applied:

Verify plugin version is 2.10.8 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints with script tags
  • Multiple failed login attempts after plugin updates
  • Unexpected JavaScript in form submissions

Network Indicators:

  • HTTP requests containing <script> tags to plugin endpoints
  • Outbound connections to suspicious domains from your WordPress site

SIEM Query:

source="wordpress.log" AND ("doneren-met-mollie" OR "mollie") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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