WordPressプラグイン「Click to Chat – HoliThemes」にコードインジェクションの脆弱性（CVE-2026-92097）
概要
WordPressプラグイン「Click to Chat – HoliThemes」にコードインジェクションの脆弱性が確認されました。
バージョン 4.44 以前に影響があります。
修正版 4.45 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-92097 WF-cf625e34-1f51-42a3-8daa-a5188dea226e |
|---|---|
| 脆弱性の種類 | コードインジェクション |
| 危険度 | 重大 |
| CVSSスコア |
9.1（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 公開日 | 2026年10月13日 |
| 更新日 | 2026年10月14日 |
影響を受ける製品
| 製品 | 影響を受けるバージョン | 修正版 | 出典 |
|---|---|---|---|
| WordPressプラグイン「Click to Chat – HoliThemes」 |
4.44 以前 | 4.45 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「Click to Chat – HoliThemes」を修正版 4.45 またはそれ以降の公式最新版へ更新してください。
情報元の原文
Wordfence Intelligence
Click to Chat <= 4.44 - Unauthenticated Arbitrary Shortcode Execution via REQUEST_URI via {url} Placeholder
The Click to Chat for WhatsApp plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 4.44 This is due to the greetings_dialog() function building the {url} template placeholder from a sanitize_text_field()-filtered $_SERVER['REQUEST_URI'] on archive pages and then passing the substituted greeting content to do_shortcode() in the greetings-1 and greetings-2 templates, without stripping shortcode delimiters. Because wp_kses() runs against main_content BEFORE the {url} substitution, the attacker-controlled URL bytes reach do_shortcode() unfiltered. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes registered by WordPress core, the active theme, or any other plugin (e.
Copyright 2012-2026 Defiant Inc.
Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.
Copyright 1999-2026 The MITRE Corporation
CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.