CVE-2026-7654
Admin Columns に報告された脆弱性
概要
The Admin Columns plugin for WordPress is vulnerable to PHP Object Injection leading to Remote Code Execution in versions up to and including 7.0.18. This is due to the use of `unserialize()` without an `allowed_classes` restriction in the `IdsToCollection::get_ids_from_string()` function, which processes attacker-controlled post meta values without proper validation. This makes it possible for authenticated attackers with Contributor-level access and above to inject a serialized PHP object into a post's custom meta field and trigger arbitrary code execution by exploiting a bundled POP gadget chain, resulting in remote code execution as the web server user.
影響を受けるバージョン
- 0以上 〜 7.0.18以下
対処方法
Admin Columns を 7.0.19 以降に更新してください。これで本脆弱性は解消します。
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URLを入力するだけで、実際に使われているプラグインを検出し、 このデータベースと突き合わせて既知の脆弱性が残っていないかを確認できます。登録不要・無料です。
30秒で無料診断する参照
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/tags/7.0.16/classes/Formatter/IdsToCollection.php#L42
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/tags/7.0.16/classes/Formatter/Meta.php#L34
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/tags/7.0.16/vendor/laravel/serializable-closure/src/Serializers/Native.php#L148
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/tags/7.0.16/vendor/laravel/serializable-closure/src/Support/ClosureStream.php#L47
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/trunk/classes/Formatter/IdsToCollection.php#L42
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/trunk/classes/Formatter/Meta.php#L34
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/trunk/vendor/laravel/serializable-closure/src/Serializers/Native.php#L148
- https://plugins.trac.wordpress.org/browser/codepress-admin-columns/trunk/vendor/laravel/serializable-closure/src/Support/ClosureStream.php#L47