CVE-2025-7828

4.3 MEDIUM

📋 TL;DR

The WP Filter & Combine RSS Feeds WordPress plugin has an authorization vulnerability that allows authenticated users with Contributor-level permissions or higher to delete RSS feeds without proper authorization. This affects all WordPress sites using this plugin up to version 0.4. The vulnerability stems from missing capability checks in the post_listing_page() function.

💻 Affected Systems

Products:
  • WP Filter & Combine RSS Feeds WordPress Plugin
Versions: All versions up to and including 0.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. Vulnerability requires authenticated access with at least Contributor-level permissions.

⚠️ 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

Malicious authenticated users could delete all RSS feeds configured in the plugin, disrupting content aggregation and potentially causing content display issues on affected WordPress sites.

🟠

Likely Case

A compromised Contributor account or malicious insider could delete specific RSS feeds they want to disrupt, affecting content aggregation for specific sources.

🟢

If Mitigated

With proper user access controls and monitoring, impact would be limited to authorized feed management activities only.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access. The vulnerability is straightforward to exploit once an attacker has Contributor-level credentials.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 0.4 (check plugin repository for latest)

Vendor Advisory: https://wordpress.org/plugins/wp-filter-combine-rss-feeds/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Filter & Combine RSS Feeds'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove the plugin.

🔧 Temporary Workarounds

Remove Contributor Feed Management Capabilities

WordPress

Use WordPress role management plugins or custom code to remove feed management capabilities from Contributor and Author roles

Deactivate Plugin

WordPress

Temporarily deactivate the WP Filter & Combine RSS Feeds plugin until patched

🧯 If You Can't Patch

  • Implement strict user access controls and monitor Contributor-level account activities
  • Use web application firewall rules to block suspicious feed deletion requests

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'WP Filter & Combine RSS Feeds' version 0.4 or earlier

Check Version:

wp plugin list --name='wp-filter-combine-rss-feeds' --field=version (WP-CLI)

Verify Fix Applied:

Verify plugin version is greater than 0.4 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • WordPress audit logs showing feed deletion by Contributor-level users
  • Plugin-specific logs showing unauthorized feed management actions

Network Indicators:

  • HTTP POST requests to wp-admin/admin-ajax.php with action=delete_feed from non-admin users

SIEM Query:

source="wordpress" action="delete_feed" user_role="contributor" OR user_role="author"

🔗 References

📤 Share & Export