Stored DOM XSS in Blog Tags Leading to Full Account Takeover and Privilege Escalation

Based on the provided image, I need to extract and summarize the key information about the vulnerability in Chinese. 1. Vulnerability Overview (漏洞概述): Title: Blogs Tags Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS. Summary: Stored DOM Site Scripting via Unsanitized Blog Tag Name (Persistent Payload Injection). Description: The application's tag system allows unfiltered input when adding blog tags. An attacker can inject malicious JavaScript into the tag name field, which is then stored and rendered in affected views. This allows remote attackers to execute arbitrary JavaScript in the context of the victim's browser. Severity: 8.1 / 10 (High). Impact: Stored DOM XSS, Escalation of privilege, Full administrator account takeover, Full admin database access, Full compromise of the entire application. 2. Affected Functionality (影响范围): Blog tag creation functionality. Blog tag editing functionality. Blog tag display and rendering logic. 3. Attack Scenario (攻击场景): Attacker creates or edits a blog tag name including a malicious XSS payload. The application stores this value without sanitization or encoding. The payload persists and executes whenever the tag name is rendered in affected views. 4. Steps to Reproduce (POC) (复现步骤): Go to the blog tag management page. Create or edit a tag and inject a payload into the tag name such as: . Save the tag. View a public blog page or an administrative interface where the tag is rendered. Notice the alert popup executing automatically. 5. Remediation (修复方案): Use or a similar library to sanitize user input before storing or rendering it. Implement Content Security Policy (CSP) headers to mitigate the impact of XSS. Ensure all user input is properly encoded before being output to the browser. 6. POC Code Extraction (POC代码提取): The text mentions a specific payload: . There is a link to a video POC, but no actual code block is visible in the text other than the payload string. I will extract the payload string as the code. Now, I will format this into the requested Chinese Markdown structure. 漏洞总结：Blogs Tags Full Account Takeover via Stored DOM XSS 漏洞概述 漏洞名称: Blogs Tags Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS (通过存储型 DOM XSS 实现全角色账户接管和权限提升)。 漏洞类型: Stored DOM Site Scripting (存储型 DOM 脚本注入) / Persistent Payload Injection (持久化载荷注入)。 严重程度: 8.1 / 10 (High)。 描述: 应用程序的标签系统允许在添加博客标签时输入未过滤的内容。攻击者可以将恶意 JavaScript 注入到标签名称字段中，该脚本会被存储并在受影响的视图中渲染。这使得远程攻击者能够在受害者浏览器的上下文中执行任意 JavaScript 代码。 影响: 存储型 DOM XSS。 权限提升（包括管理员账户接管）。 完全访问管理员数据库。 整个应用程序被完全控制。 影响范围 博客标签创建功能。 博客标签编辑功能。 博客标签显示和渲染逻辑。 攻击场景 1. 攻击者创建或编辑博客标签名称，其中包含恶意 XSS 载荷。 2. 应用程序在未进行清理或编码的情况下存储该值。 3. 该载荷持久存在，并在受影响的视图中渲染标签名称时执行。 修复方案 使用 或类似库在存储或渲染之前对用户输入进行清理。 实施内容安全策略 (CSP) 头以减轻 XSS 的影响。 确保所有用户输入在输出到浏览器之前都经过适当的编码。 POC 代码/利用载荷

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Stored DOM XSS in Blog Tags Leading to Full Account Takeover and Privilege Escalation

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Stored DOM XSS in Blog Tags Leading to Full Account Takeover and Privilege Escalation

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