SEOPress – AI SEO Plugin & On-site SEO に脆弱性 — CVE-2026-120515
いま何をすべきか
SEOPress – AI SEO Plugin & On-site SEO を 10.4 以降に更新してください。
影響を受けるバージョン
- 10.3 以下のすべて
対象: プラグイン「SEOPress – AI SEO Plugin & On-site SEO」(wp-seopress)
何が起きるのか
The SEOPress – AI SEO Plugin & On-site SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'seopress_google_analytics_affiliate_tracking' and 'seopress_google_analytics_download_tracking' settings in versions up to, and including, 10.3. This is due to insufficient input sanitization and output escaping on these settings as they are interpolated into the inline Google Analytics tracking snippet by seopress_google_analytics_js(): the affiliate value receives no sanitization at all (it is omitted from inc/admin/sanitize/Sanitize.php) and lands inside a <script> block, while the download value is only passed through sanitize_text_field() and lands inside a JavaScript regular-expression literal that preserves parentheses, semicolons and slashes. This makes it possible for authenticated attackers, with Subscriber-level access and above (where an administrator has delegated the SEOPress 'analytics' capability under Settings > Advanced > Security — the precondition Wordfence accepted for CVE-2026-101357), to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
ここから先の選択肢
1. 自分たちで対応する
更新の手順、バックアップの取り方、壊れたときの戻し方をまとめています。
2. いまの制作会社・保守業者に頼む
SEOPress – AI SEO Plugin & On-site SEO を使っているかどうかを含めて確認を依頼してください。 無料診断を実行すると、そのまま渡せる依頼文を作れます。
3. 相談先がない・自分では難しい
連絡が取れる相手がいない、管理画面に入れない、侵入された疑いがある。 そうした場合はご相談ください。
出典
- https://plugins.svn.wordpress.org/wp-seopress/trunk/
- https://plugins.trac.wordpress.org/browser/wp-seopress/tags/10.3/inc/admin/sanitize/Sanitize.php#L63
- https://plugins.trac.wordpress.org/browser/wp-seopress/tags/10.3/inc/functions/options-google-analytics.php#L800
- https://plugins.trac.wordpress.org/browser/wp-seopress/tags/10.3/inc/functions/options-google-analytics.php#L822
- https://plugins.trac.wordpress.org/browser/wp-seopress/tags/10.3/src/Actions/Api/Options/AnalyticsSettings.php#L104
- https://plugins.trac.wordpress.org/browser/wp-seopress/tags/10.4/inc/functions/options-google-analytics.php