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TI-2025-30248 Aliases CVE-2025-47783GHSA-8jhr-wpcm-hh4h

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

Priority HIGH 68CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
Present
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00596 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed label-studio (HumanSignal): 1.18.0label-studio (PyPI): 1.18.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HumanSignallabel-studiobefore 1.18.01.18.0Patch availableCNA
—label-studio (PyPI)before 1.18.01.18.0Patch availableGHSA-8jhr-wpcm-hh4h
  • label-studio VendorHumanSignal Affected before 1.18.0 Fixed in 1.18.0 Patch available CNA
  • label-studio (PyPI) Vendor— Affected before 1.18.0 Fixed in 1.18.0 Patch available GHSA-8jhr-wpcm-hh4h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:humansignal:label_studio:*:*:*:*:*:*:*:*before 1.18.0VulnerableHumanSignal
  • cpe:2.3:a:humansignal:label_studio:*:*:*:*:*:*:*:* Versions before 1.18.0 Vulnerable ·HumanSignal

Remediation

  • Fix · CNA label-studio (HumanSignal) Fixed in 1.18.0
  • Fix · GHSA-8jhr-wpcm-hh4h label-studio (PyPI) Fixed in 1.18.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-47783
  2. 2026-10-03 Alias added: GHSA-8jhr-wpcm-hh4h

References

  • TI-2023-23482 Label Studio has Hardcoded Django `SECRET_KEY` that can be Abused to Forge Session Tokens CVSS 3.1CRITICAL 9.8
  • TI-2025-18951 Label Studio allows Server-Side Request Forgery in the S3 Storage Endpoint CVSS 3.1HIGH 8.6
  • TI-2023-25457 Object Relational Mapper Leak Vulnerability in Filtering Task in Label Studio CVSS 3.1HIGH 7.5
  • TI-2026-17727 Label Studio vulnerable to full account takeover by chaining Stored XSS + IDOR in User Profile via custom_hotkeys field CVSS 4.0HIGH 8.6
  • TI-2023-25455 Label Studio XSS Vulnerability on Avatar Upload CVSS 3.1HIGH 7.1
  • TI-2025-18950 Label Studio allows Cross-Site Scripting (XSS) via GET request to `/projects/upload-example` endpoint CVSS 3.1MEDIUM 6.1
See all 9 →

Sources