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.

Classification

CVE ID: CVE-2025-47783

CVSS Base Severity: HIGH

CVSS Base Score: 7.6

CVSS Vector: 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

Affected Products

Vendor: HumanSignal

Product: label-studio

References

https://nvd.nist.gov/vuln/detail/CVE-2025-47783
https://github.com/HumanSignal/label-studio/security/advisories/GHSA-8jhr-wpcm-hh4h

Timeline