CVE-2025-47783

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

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.

Affected

HumanSignal · label-studio

CVSS v4.0 GITHUB

7.6 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v4.0 GitHub

7.6 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.60% chance of exploitation in the next 30 days, 47th percentile

Nuclei

medium · CWE-79

Published

2025-05-14

Updated

2025-05-15

Proof-of-concept exploits (2)

• HumanSignal/label-studio/security/advisories/GHSA-8jhr-wpcm-hh4h
• advisories/GHSA-8jhr-wpcm-hh4h

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-47783.yaml

References

• CVE Record
• NVD entry