LORIS has potential cross-site scripting in survey_accounts module_CVE-2026-35403

6.5 / 10

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

Description

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 15.10 to before 27.0.3 and 28.0.1, there is a potential for a cross-site scripting attack in the survey_accounts module if a user provides an invalid visit label. While the data is properly JSON encoded, the Content-Type header is not set causing the web browser to interpret the payload as HTML, opening the possibility of a cross-site scripting if a user is tricked into following an invalid link. This vulnerability is fixed in 27.0.3 and 28.0.1.

Basic Information

ID CVE-2026-35403

Source GitHub_M

Published Apr 8, 2026 at 18:27

Modified Apr 10, 2026 at 20:42

Affected Product

Vendor aces

Product Loris

Version >= 15.10, < 27.0.3

Affected Versions aces Loris >= 15.10, < 27.0.3
aces Loris >= 28.0.0, < 28.0.1

CWE Classification

CWE-79

References

github.com /aces/Loris/security/advisories/GHSA-776p-5pwh-vc8p

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