WP Quick Contact Us <= 1.0 - 設定更新におけるクロスサイトリクエストフォージェリ (Cross-Site Request Forgery)

An attacker exploiting this CSRF vulnerability could potentially alter the behavior of the WP Quick Contact Us plugin without requiring authentication. This could involve changing contact form fields, redirect URLs, or other settings, leading to unexpected behavior or even malicious actions performed on behalf of the administrator. The impact is amplified if the plugin is heavily relied upon for critical communication or data collection, as an attacker could manipulate these processes. While the vulnerability requires social engineering to trick an administrator, the potential consequences could be significant, including data breaches or website defacement.

Websites utilizing the WP Quick Contact Us plugin, particularly those with administrator accounts that are frequently targeted by phishing attacks, are at risk. Shared hosting environments where multiple websites share the same server resources are also potentially vulnerable, as a compromised website could be used to target other sites on the same server.

• wordpress / composer / npm:

grep -r 'wp_quick_contact_us_settings_update' /var/www/html/wp-content/plugins/

• wordpress / composer / npm:

wp plugin list --status=all | grep "WP Quick Contact Us"

• wordpress / composer / npm:

wp plugin update --all

1. 2026-02-14Disclosure

   disclosure

1. 予約済み2026-01-23
2. 公開日2026-02-14
3. 更新日2026-04-08
4. EPSS 更新日2026-03-23

The primary mitigation for CVE-2026-1394 is to upgrade to a patched version of the WP Quick Contact Us plugin as soon as it becomes available. Until a patch is released, consider implementing temporary workarounds such as restricting access to the plugin's settings page to specific administrator roles or using a WordPress security plugin that provides CSRF protection. Web Application Firewalls (WAFs) configured to detect and block suspicious CSRF requests can also offer some protection. Regularly review WordPress plugin settings for any unauthorized changes.