CVE-2024-26152

### Summary On all Label Studio versions prior to 1.11.0, data imported via file upload feature is not properly sanitized prior to being rendered within a `Choices` or `Labels` tag, resulting in an XSS vulnerability. ### Details Need permission to use the "data import" function. This was reproduced on Label Studio 1.10.1. ### PoC 1. Create a project. !Create a project 2. Upload a file containing the payload using the "Upload Files" function. !2 Upload a file containing the payload using the Upload Files function !3 complete The following are the contents of the files used in the PoC ``` { "data": { "prompt": "labelstudio universe image", "images": [ { "value": "id123#0", "style": "margin: 5px", "html": "<img width='400' src='https://labelstud.io/_astro/images-tab.64279c16_ZaBSvC.avif' onload=alert(document.cookie)>" } ] } } ``` 3. Select the text-to-image generation labeling template of Ranking and scoring !3 Select the text-to-image generation labelling template for Ranking and scoring !5 save 4. Select a task !4 Select a task 5. Check that the script is running !5 Check that the script is running ### Impact Malicious scripts can be injected into the code, and when linked with vulnerabilities such as CSRF, it can cause even greater damage. In particular, It can become a source of further attacks, especially when linked to social engineering.

• humansignal label studio (< 1.11.0)