WordPressプラグイン「WP Popular Posts」に情報漏えいの脆弱性（CVE-2026-92548）
概要
WordPressプラグイン「WP Popular Posts」に情報漏えいの脆弱性が確認されました。
バージョン 7.4.2 以前に影響があります。
修正版 7.4.3 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-92548 WF-09c63c2f-d2d3-4c39-8329-0e0e5b62db98 |
|---|---|
| 脆弱性の種類 | 情報漏えい |
| 危険度 | 中 |
| CVSSスコア |
5.3（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| 公開日 | 2026年9月30日 |
| 更新日 | 2026年10月1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「WP Popular Posts」 |
7.4.2 以前 | 7.4.3 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「WP Popular Posts」を修正版 7.4.3 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
WP Popular Posts <= 7.4.2 - Unauthenticated Information Disclosure in 'post_type' and 'context' Parameters
The WP Popular Posts plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.4.2 via the 'context' parameter. This makes it possible for unauthenticated attackers to extract sensitive edit-context fields — including raw title, raw content body, password, meta, status, and guid — from non-public post objects such as wp_block synced patterns that WordPress core itself refuses to expose to unauthenticated callers. This is possible because the plugin's REST route is registered with a permission_callback of __return_true and passes the caller-supplied context parameter (e.g., context=edit) directly to WP_REST_Posts_Controller::prepare_item_for_response() without invoking get_item_permissions_check() or check_read_permission(), while the underlying query accepts an arbitrary post_type value without enforcing public or show_in_rest visibility flags.
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