CVE-2025-68568

7.5 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the claspo Popup Builder WordPress plugin that allows attackers to bypass access controls. It affects all WordPress sites running vulnerable versions of the plugin, potentially allowing unauthorized access to administrative functions.

💻 Affected Systems

Products:
  • claspo Popup Builder: Exit-Intent pop-up, Spin the Wheel, Newsletter signup, Email Capture & Lead Generation forms maker
Versions: n/a through <= 1.0.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin version installed and activated.

⚠️ 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 gain administrative privileges, modify plugin settings, inject malicious content into popups, or potentially compromise the entire WordPress site.

🟠

Likely Case

Unauthorized users could modify popup configurations, inject tracking scripts, or redirect users to malicious sites through compromised popups.

🟢

If Mitigated

With proper access controls and authentication, only authorized administrators can modify plugin settings and configurations.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: >1.0.5

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/claspo/vulnerability/wordpress-popup-builder-exit-intent-pop-up-spin-the-wheel-newsletter-signup-email-capture-lead-generation-forms-maker-plugin-1-0-5-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 'Popup Builder' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the claspo Popup Builder plugin until patched version is available

wp plugin deactivate claspo

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
  • Restrict access to WordPress admin interface using IP whitelisting or additional authentication layers

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Popup Builder' version <=1.0.5

Check Version:

wp plugin get claspo --field=version

Verify Fix Applied:

Verify plugin version is >1.0.5 in WordPress admin panel and test access controls

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to /wp-admin/admin-ajax.php with claspo-related actions
  • Multiple failed authentication attempts followed by successful plugin configuration changes

Network Indicators:

  • Unusual traffic patterns to WordPress admin endpoints from unexpected IP addresses
  • Requests to plugin-specific endpoints without proper authentication headers

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND (action="claspo_" OR params="claspo")) AND NOT user_role="administrator"

🔗 References

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