CVE-2025-48348

4.3 MEDIUM

📋 TL;DR

This vulnerability allows attackers to bypass intended access controls in the Site Offline WordPress plugin, potentially accessing restricted functionality. It affects all WordPress sites running Site Offline plugin versions up to 1.5.7.

💻 Affected Systems

Products:
  • WordPress Site Offline plugin
Versions: n/a through 1.5.7
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Site Offline plugin enabled.

⚠️ 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

Unauthorized users gain administrative privileges or access sensitive site configuration functions.

🟠

Likely Case

Attackers bypass maintenance mode restrictions or access plugin settings they shouldn't have permission to view.

🟢

If Mitigated

Proper access controls prevent unauthorized access, limiting impact to failed authentication attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but may not require authentication depending on specific vulnerability details.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.5.8 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/site-offline/vulnerability/wordpress-site-offline-plugin-1-5-7-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 Site Offline plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Site Offline Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate site-offline

Restrict Plugin Access

all

Use WordPress roles and capabilities to restrict who can access plugin settings.

🧯 If You Can't Patch

  • Implement network-level access controls to restrict access to WordPress admin interface.
  • Monitor for unusual access patterns to plugin administration pages.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Site Offline plugin version. If version is 1.5.7 or earlier, you are vulnerable.

Check Version:

wp plugin get site-offline --field=version

Verify Fix Applied:

Verify Site Offline plugin version is 1.5.8 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-admin/admin.php?page=site-offline or similar plugin admin pages
  • Failed capability checks in WordPress debug logs

Network Indicators:

  • HTTP requests to plugin admin endpoints from unauthorized IP addresses

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin.php" AND uri_query="page=site-offline") AND user_role!="administrator"

🔗 References

📤 Share & Export