CVE-2026-1490
Spam protection, Honeypot, Anti-Spam by CleanTalk に報告された脆弱性
概要
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including, 6.71. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated. Note: This is only exploitable on sites with an invalid API key.
影響を受けるバージョン
- 0以上 〜 6.71以下
対処方法
Spam protection, Honeypot, Anti-Spam by CleanTalk を 6.72 以降に更新してください。これで本脆弱性は解消します。
Spam protection, Honeypot, Anti-Spam by CleanTalk の他の脆弱性を見る →
あなたのサイトは大丈夫ですか？
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/cleantalk-spam-protect/trunk/lib/Cleantalk/ApbctWP/RemoteCalls.php#L69
- https://plugins.trac.wordpress.org/browser/cleantalk-spam-protect/trunk/lib/Cleantalk/Common/Helper.php#L64
- https://plugins.trac.wordpress.org/changeset/3454488/cleantalk-spam-protect#file473
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cb603be6-4a12-49e1-b8cc-b2062eb97f16?source=cve