CVE-2025-62909

8.1 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Smart WeTransfer WordPress plugin that allows attackers to bypass access controls. Attackers can exploit incorrectly configured security levels to perform unauthorized actions. All WordPress sites using Smart WeTransfer plugin versions up to and including 1.3 are affected.

💻 Affected Systems

Products:
  • Smart WeTransfer WordPress Plugin
Versions: n/a through <= 1.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations using vulnerable plugin versions 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 compromise of the WordPress site including file upload/download manipulation, data theft, and potential privilege escalation to administrator access.

🟠

Likely Case

Unauthorized file access, manipulation of transfer settings, and potential data exfiltration from the WeTransfer functionality.

🟢

If Mitigated

Limited impact with proper network segmentation and additional authentication layers, but core vulnerability remains.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Broken access control vulnerabilities are commonly exploited and require minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: >1.3

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/smart-wetransfer/vulnerability/wordpress-smart-wetransfer-plugin-1-3-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Smart WeTransfer plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.

🔧 Temporary Workarounds

Disable Smart WeTransfer Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate smart-wetransfer

Restrict Plugin Access via .htaccess

linux

Add access restrictions to plugin directory

Order Deny,Allow
Deny from all

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized access attempts to Smart WeTransfer endpoints
  • Enable detailed logging and monitoring for any access to /wp-content/plugins/smart-wetransfer/ paths

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Smart WeTransfer version <=1.3

Check Version:

wp plugin get smart-wetransfer --field=version

Verify Fix Applied:

Confirm plugin version is >1.3 or plugin is completely removed from /wp-content/plugins/ directory

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-content/plugins/smart-wetransfer/
  • Multiple failed authentication attempts followed by successful access to WeTransfer endpoints

Network Indicators:

  • Unusual traffic patterns to Smart WeTransfer API endpoints
  • Requests bypassing normal authentication flows

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-content/plugins/smart-wetransfer/" OR plugin="smart-wetransfer") AND (response_code=200 OR response_code=302) AND user="unauthenticated"

🔗 References

📤 Share & Export