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CVE-2025-47783— label-studio vulnerable to Cross-Site Scripting (Reflected) via the label_config parameter.

Quick assessment

Affected
HumanSignal label-studio
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.18.0之前版本存在跨站脚本漏洞，该漏洞源于向projects/upload-example/端点发送恶意请求可能导致跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.59% · P46

Public Exploits 1

Nuclei · 1 CVE-2025-47783.yaml [template]
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I. Basic Information for CVE-2025-47783

Vulnerability Information
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Vulnerability Title
label-studio vulnerable to Cross-Site Scripting (Reflected) via the label_config parameter.
Source: CVE Program / CVE List V5
Vulnerability Description
Label Studio is a multi-type data labeling and annotation tool. A vulnerability in versions prior to 1.18.0 allows an attacker to inject a malicious script into the context of a web page, which can lead to data theft, session hijacking, unauthorized actions on behalf of the user, and other attacks. The vulnerability is reproducible when sending a properly formatted request to the `POST /projects/upload-example/` endpoint. In the source code, the vulnerability is located at `label_studio/projects/views.py`. Version 1.18.0 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Label Studio 跨站脚本漏洞
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 1.18.0之前版本存在跨站脚本漏洞，该漏洞源于向projects/upload-example/端点发送恶意请求可能导致跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
HumanSignal label-studio < 1.18.0 -

II. Public POCs for CVE-2025-47783

# POC Description Source Link Shenlong Link
1 Label Studio < 1.18.0 contains a stored XSS caused by improper sanitization in POST /projects/upload-example/ endpoint, letting attackers inject malicious scripts to hijack sessions and perform unauthorized actions, exploit requires sending crafted requests. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-47783.yaml POC Details
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III. Intelligence Information for CVE-2025-47783

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Vendor Advisories for CVE-2025-47783 (1)

IV. Related Vulnerabilities

Same product: label-studio
Same vendor: HumanSignal
Same weakness: CWE-79

V. Comments for CVE-2025-47783

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