WordPressプラグイン「Rank Math SEO – AI SEO Tools to Dominate SEO Rankings」に認可の欠如の脆弱性（CVE-2026-77784）
概要
WordPressプラグイン「Rank Math SEO – AI SEO Tools to Dominate SEO Rankings」に認可の欠如の脆弱性が確認されました。
バージョン 1.0.277 未満に影響があります。
修正版 1.0.277 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-77784 WF-97acf80f-2a50-457a-8418-1b99408c6e9d |
|---|---|
| 脆弱性の種類 | 認可の欠如 |
| 危険度 | 中 |
| CVSSスコア |
4.3（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 公開日 | 2026年9月3日 |
| 更新日 | 2026年9月9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「Rank Math SEO – AI SEO Tools to Dominate SEO Rankings」 |
1.0.277 未満 | 1.0.277 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「Rank Math SEO – AI SEO Tools to Dominate SEO Rankings」を修正版 1.0.277 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
Rank Math SEO – AI SEO Tools to Dominate SEO Rankings < 1.0.277 - Missing Authorization to Authenticated (Author+) SEO Object Updates
The Rank Math SEO – AI SEO Tools to Dominate SEO Rankings plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to 1.0.277 (exclusive). This makes it possible for authenticated attackers, with Author-level access and above, to update SEO objects.
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.