The Guardian News Feed <= 1.2 - Cross-Site Request Forgery zu Einstellungen-Update

Successful exploitation of this CSRF vulnerability allows an attacker to modify the plugin's configuration without authentication. The most critical impact is the potential for an attacker to replace the Guardian API key, effectively hijacking the plugin's functionality and potentially gaining unauthorized access to data. This could lead to data breaches, manipulation of content displayed on the website, or even complete control over the plugin's behavior. The attacker would need to craft a malicious request and trick a site administrator into clicking a link or visiting a page containing the forged request. This is a common attack vector, and while requiring user interaction, the potential impact is significant.

Websites utilizing The Guardian News Feed plugin, particularly those with shared hosting environments or legacy WordPress configurations, are at increased risk. Sites where administrators are frequently targeted with phishing attacks are also more vulnerable, as attackers could leverage this CSRF flaw to gain control of plugin settings.

• wordpress / composer / npm:

grep -r 'settings_update' /var/www/html/wp-content/plugins/the-guardian-news-feed/

• wordpress / composer / npm:

wp plugin list --status=inactive | grep 'the-guardian-news-feed'

• wordpress / composer / npm:

curl -I https://your-wordpress-site.com/wp-admin/admin-ajax.php?action=the_guardian_news_feed_settings_update | grep 'CSRF token'

1. 2026-03-07Disclosure

   disclosure

1. Reserviert2026-01-16
2. Veröffentlicht2026-03-07
3. Geändert2026-04-08
4. EPSS aktualisiert2026-03-23

The primary mitigation is to upgrade The Guardian News Feed plugin to a version containing the fix. If immediate upgrading is not possible due to compatibility issues or breaking changes, consider implementing a Web Application Firewall (WAF) rule to block suspicious requests targeting the plugin's settings update endpoint. Specifically, look for requests lacking proper nonce validation. Additionally, restrict access to the plugin's settings page to authorized administrators only. Regularly review plugin settings for any unauthorized modifications. After upgrade, confirm by attempting a settings update as an unauthenticated user and verifying that the request is rejected.