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CVE-2026-5243: XSS in The Plus Addons for Elementor
プラットフォーム
wordpress
コンポーネント
the-plus-addons-for-elementor-page-builder
修正版
6.4.12
CVE-2026-5243 describes a stored Cross-Site Scripting (XSS) vulnerability discovered in The Plus Addons for Elementor, a popular WordPress plugin. This flaw allows authenticated attackers, possessing contributor-level access or higher, to inject arbitrary web scripts. Successful exploitation can lead to session hijacking, defacement, or other malicious actions impacting website visitors. The vulnerability affects versions from 0.0.0 up to and including 6.4.11, and a patch is available in version 6.4.12.
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影響と攻撃シナリオ翻訳中…
The primary impact of CVE-2026-5243 is the ability for an attacker to execute arbitrary JavaScript code within the context of a user's browser. This can be leveraged to steal session cookies, allowing the attacker to impersonate the user. Malicious scripts could also be used to redirect users to phishing sites, deface the website, or inject malware. Given the plugin's popularity and integration with Elementor, a widely used page builder, a successful attack could impact a large number of WordPress sites. The requirement for contributor-level access limits the immediate attack surface, but it's still a significant risk for sites with poorly managed user permissions.
悪用の状況翻訳中…
CVE-2026-5243 was published on May 14, 2026. The vulnerability is not currently listed on KEV (Known Exploited Vulnerabilities) as of this writing. The EPSS (Exploit Prediction Scoring System) score is likely to be medium, reflecting the requirement for authenticated access and the availability of a straightforward fix. Public proof-of-concept (POC) code is currently unavailable, but the vulnerability's nature makes it likely that such code will emerge. Refer to the official The Plus Addons for Elementor advisory for further details.
脅威インテリジェンス
エクスプロイト状況
CISA SSVC
CVSS ベクトル
これらのメトリクスの意味は？
- Attack Vector
- ネットワーク — インターネット経由でリモートから悪用可能。物理・ローカルアクセス不要。
- Attack Complexity
- 低 — 特別な条件不要。安定して悪用可能。
- Privileges Required
- 低 — 有効なユーザーアカウントがあれば十分。
- User Interaction
- なし — 自動かつ無音の攻撃。被害者は何もしない。
- Scope
- 変化あり — 攻撃が脆弱なコンポーネントを超えて他のシステムに波及可能。
- Confidentiality
- 低 — 一部データへの部分的アクセス。
- Integrity
- 低 — 限定的な範囲でデータ変更可能。
- Availability
- なし — 可用性への影響なし。
影響を受けるソフトウェア
弱点分類 (CWE)
タイムライン
- 予約済み
- 公開日
緩和策と回避策翻訳中…
The most effective mitigation for CVE-2026-5243 is to immediately upgrade The Plus Addons for Elementor to version 6.4.12 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider temporarily restricting access to the Navigation Menu Lite widget to trusted administrators only. While not a complete solution, this can reduce the attack surface. Web Application Firewalls (WAFs) configured to detect and block XSS payloads targeting the menuhoverclick parameter can provide an additional layer of protection. Regularly review user permissions and ensure that only necessary roles are granted to contributors.
修正方法
バージョン6.4.12、またはそれ以降の修正されたバージョンにアップデートしてください
よくある質問翻訳中…
What is CVE-2026-5243 — XSS in The Plus Addons for Elementor?
CVE-2026-5243 is a stored Cross-Site Scripting (XSS) vulnerability affecting The Plus Addons for Elementor WordPress plugin. It allows authenticated attackers to inject malicious scripts via the menuhoverclick parameter, potentially leading to session hijacking and defacement.
Am I affected by CVE-2026-5243 in The Plus Addons for Elementor?
You are affected if you are using The Plus Addons for Elementor plugin in versions 0.0.0 through 6.4.11. Check your plugin version and upgrade immediately if vulnerable.
How do I fix CVE-2026-5243 in The Plus Addons for Elementor?
Upgrade The Plus Addons for Elementor plugin to version 6.4.12 or later. If immediate upgrade is not possible, restrict access to the Navigation Menu Lite widget to trusted administrators.
Is CVE-2026-5243 being actively exploited?
As of the current date, there are no confirmed reports of active exploitation in the wild. However, the vulnerability's nature makes it likely that exploitation attempts may occur.
Where can I find the official The Plus Addons for Elementor advisory for CVE-2026-5243?
Refer to the official The Plus Addons for Elementor website and WordPress plugin repository for the latest advisory and update information. Search for CVE-2026-5243 on their support pages.
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