XWiki Platform versions from 2.2 before 14.10.17, from 15.0-rc-1 before 15.5.3, and from 15.6-rc-1 before 15.8-rc-1 suffer from a Server-Side Template Injection (SSTI) due to the lack of sanitization of the user registration form's inputs. By leveraging this vulnerability, a remote and unauthenticated attacker can achieve privilege escalation and achieve code execution on the vulnerable XWiki instance.

在 XWiki 平台版本從 2.2 到 14.10.17 之前、15.0-rc-1 到 15.5.3 之前，以及 15.6-rc-1 到 15.8-rc-1 之前，受到一個伺服器端範本插入 (SSTI) 問題影響，這是因為使用者註冊表單的輸入未經過適當清理所致。未經驗證的遠端攻擊者可利用此弱點，在受弱點影響的 XWiki 執行個體上實現特權提升，並實現程式碼執行。

XWiki Platform 2.2 至 14.10.17、15.0-rc-1 至 15.5.3 和 15.6-rc-1 至 15.8-rc-1 版本受到服务器端模板注入 (SSTI) 的影响，原因是缺少对用户注册表输入的审查。未经身份验证的远程攻击者可利用此漏洞，在存在漏洞的 XWiki 实例上实现特权提升和代码执行。

XWiki Platform バージョン 2.2 から 14.10.17、15.0-rc-1 から 15.5.3 15.6-rc-1 から 15.8-rc-1 では、ユーザー登録フォームの入力に対するサニタイズ処理が行われていないため、サーバーサイドテンプレートインジェクション (SSTI) の脆弱性があります。この脆弱性を利用することで、リモートの認証されていない攻撃者が権限昇格を実現し、脆弱な XWiki インスタンスでコードを実行する可能性があります。

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it.
    XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. This
    issue allows an attacker to execute arbitrary code by crafting malicious payloads in the "first name" or
    "last name" fields during user registration. This impacts all installations that have user registration
    enabled for guests. This vulnerability has been patched in XWiki 14.10.17, 15.5.3 and 15.8 RC1.
    (CVE-2024-21650)

ID	名稱	產品	系列	已發布	已更新	嚴重性
114913	XWiki User Registration Remote Code Execution	Web App Scanning	Component Vulnerability	2025/7/18	2025/7/18	critical
114913	XWiki 使用者註冊遠端程式碼執行	Web App Scanning	Component Vulnerability	2025/7/18	2025/7/18	critical
114913	XWiki 用户注册远程代码执行	Web App Scanning	Component Vulnerability	2025/7/18	2025/7/18	critical
114913	XWiki ユーザー登録におけるリモートコード実行	Web App Scanning	Component Vulnerability	2025/7/18	2025/7/18	critical
418774	SCA: security update for org.xwiki.platform:xwiki-platform-administration-ui (GHSA-rj7p-xjv7-7229)	Tenable Cloud Security	SCA Checks	2025/1/23	2026/7/2	critical
418774	SCA: security update for org.xwiki.platform:xwiki-platform-administration-ui (GHSA-rj7p-xjv7-7229)	Tenable Self-Hosted Container Security	SCA Checks	2025/1/23	2026/7/2	critical

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