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I. Basic Information for CVE-2026-22033
Vulnerability Information

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Vulnerability Title
Label Studio vulnerable to full account takeover by chaining Stored XSS + IDOR in User Profile via custom_hotkeys field
Source: NVD (National Vulnerability Database)
Vulnerability Description
Label Studio is a multi-type data labeling and annotation tool. In 1.22.0 and earlier, a persistent stored cross-site scripting (XSS) vulnerability exists in the custom_hotkeys functionality of the application. An authenticated attacker (or one who can trick a user/administrator into updating their custom_hotkeys) can inject JavaScript code that executes in other users’ browsers when those users load any page using the templates/base.html template. Because the application exposes an API token endpoint (/api/current-user/token) to the browser and lacks robust CSRF protection on some API endpoints, the injected script may fetch the victim’s API token or call token reset endpoints — enabling full account takeover and unauthorized API access.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Label Studio 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Label Studio是Heartex开源的一个开源数据标注工具。允许您使用简单明了的 UI 标记音频、文本、图像、视频和时间序列等数据类型,并导出为各种模型格式。 Label Studio 1.22.0及之前版本存在访问控制错误漏洞,该漏洞源于custom_hotkeys功能存在存储型跨站脚本,可能导致经过身份验证的攻击者注入JavaScript代码,进而实现账户接管和未经授权的API访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
HumanSignallabel-studio <= 1.22.0 -
II. Public POCs for CVE-2026-22033
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III. Intelligence Information for CVE-2026-22033
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IV. Related Vulnerabilities
V. Comments for CVE-2026-22033

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