CVE-2025-58859

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Add to Feedly plugin allows attackers to trick authenticated administrators into performing unintended actions, which can lead to stored cross-site scripting (XSS) attacks. This affects all WordPress sites using the Add to Feedly plugin versions up to 1.2.11. The vulnerability enables attackers to inject malicious scripts that execute in victims' browsers.

💻 Affected Systems

Products:
  • WordPress Add to Feedly plugin
Versions: n/a through 1.2.11
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the plugin to be installed and activated on a WordPress site. The vulnerability is present in default configurations.

⚠️ 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 inject persistent malicious scripts that steal administrator credentials, hijack sessions, deface websites, or redirect visitors to malicious sites, potentially compromising the entire WordPress installation.

🟠

Likely Case

Attackers create fake admin interfaces or forms that trick logged-in administrators into executing actions that inject malicious JavaScript, leading to session hijacking or credential theft.

🟢

If Mitigated

With proper CSRF protections and content security policies, the attack surface is reduced, but the vulnerability still exists in the plugin code.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a crafted page. CSRF attacks are well-understood and relatively easy to weaponize.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2.12 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/add-to-feedly/vulnerability/wordpress-add-to-feedly-plugin-1-2-11-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Add to Feedly' and click 'Update Now' if available. 4. Alternatively, download version 1.2.12+ from WordPress.org and manually update via FTP or file manager.

🔧 Temporary Workarounds

Disable Add to Feedly plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate add-to-feedly

Implement CSRF protection headers

all

Add Content Security Policy headers to limit script execution

Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "script-src 'self'";

🧯 If You Can't Patch

  • Remove the Add to Feedly plugin entirely from your WordPress installation
  • Implement strict access controls and monitor administrator account activity for suspicious behavior

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Add to Feedly' version. If version is 1.2.11 or earlier, you are vulnerable.

Check Version:

wp plugin get add-to-feedly --field=version

Verify Fix Applied:

After updating, verify the plugin version shows 1.2.12 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to WordPress admin-ajax.php or admin-post.php endpoints
  • Multiple failed CSRF token validation attempts in WordPress debug logs
  • Unexpected plugin activation/deactivation events

Network Indicators:

  • HTTP requests with missing or invalid nonce parameters in WordPress admin URLs
  • Cross-origin requests to WordPress admin endpoints from unexpected domains

SIEM Query:

source="wordpress.log" AND ("admin-ajax.php" OR "admin-post.php") AND ("action=add_to_feedly" OR "plugin=add-to-feedly")

🔗 References

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