CVE-2025-67575

5.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Sitewide Notice WP WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. This affects all WordPress sites running Sitewide Notice WP version 2.4.1 or earlier.

💻 Affected Systems

Products:
  • Sitewide Notice WP WordPress Plugin
Versions: All versions up to and including 2.4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin activated. No special configuration required.

⚠️ 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 modify sitewide notices, inject malicious content visible to all visitors, or potentially escalate privileges to gain administrative access to the WordPress site.

🟠

Likely Case

Unauthorized users can modify or create sitewide notices, potentially defacing the website or displaying misleading information to all visitors.

🟢

If Mitigated

With proper access controls and authentication requirements, only authorized administrators can manage sitewide notices, preventing unauthorized modifications.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but bypasses authorization checks. The vulnerability is in access control logic, making exploitation straightforward once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.4.2 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/sitewide-notice-wp/vulnerability/wordpress-sitewide-notice-wp-plugin-2-4-1-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 'Sitewide Notice WP' and click 'Update Now' if available. 4. If no update appears, manually download version 2.4.2+ from WordPress.org and replace the plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the Sitewide Notice WP plugin until patched

wp plugin deactivate sitewide-notice-wp

Restrict Access

linux

Implement IP-based restrictions to WordPress admin area

Add to .htaccess: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate WordPress admin interface
  • Enable detailed logging and monitoring for unauthorized access attempts to plugin functions

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Sitewide Notice WP version. If version is 2.4.1 or earlier, you are vulnerable.

Check Version:

wp plugin get sitewide-notice-wp --field=version

Verify Fix Applied:

Verify plugin version is 2.4.2 or later in WordPress admin panel. Test that only administrators can modify sitewide notices.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to /wp-admin/admin-ajax.php with action parameters related to sitewide notices
  • Unexpected modifications to sitewide_notice_wp database tables

Network Indicators:

  • Unusual traffic patterns to WordPress admin endpoints from unauthorized IP addresses

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND (action="sitewide_notice_" OR post_data CONTAINS "sitewide_notice")) AND user_role!="administrator"

🔗 References

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