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CVE-2026-35403— LORIS has potential cross-site scripting in survey_accounts module

Quick assessment

Affected
aces Loris
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LORIS Neuroimaging Platform是ACElab开源的一个神经影像平台。 LORIS Neuroimaging Platform 15.10至27.0.3之前版本和28.0.1之前版本存在跨站脚本漏洞，该漏洞源于survey_accounts模块未设置Content-Type标头，可能导致跨站脚本攻击。

CVSS 6.5 · Medium EPSS 0.22% · P11
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I. Basic Information for CVE-2026-35403

Vulnerability Information
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Vulnerability Title
LORIS has potential cross-site scripting in survey_accounts module
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
LORIS Neuroimaging Platform 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LORIS Neuroimaging Platform是ACElab开源的一个神经影像平台。 LORIS Neuroimaging Platform 15.10至27.0.3之前版本和28.0.1之前版本存在跨站脚本漏洞，该漏洞源于survey_accounts模块未设置Content-Type标头，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
aces Loris >= 15.10, < 27.0.3 -

II. Public POCs for CVE-2026-35403

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III. Intelligence Information for CVE-2026-35403

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Vendor Advisories for CVE-2026-35403 (1)

Same Patch Batch · aces · 2026-04-08 · 8 CVEs total

CVE-2026-35169 8.7 HIGH LORIS has potential cross-site scripting in help_editor module
CVE-2026-35446 7.7 HIGH LORIS has a path traversal in FilesDownloadHandler
CVE-2026-34392 7.5 HIGH LORIS has a path traversal in static router
CVE-2026-33350 7.5 HIGH LORIS has a SQL injection in MRI feedback popup
CVE-2026-35165 6.3 MEDIUM LORIS has incorrect access checks in document_repository
CVE-2026-34985 6.3 MEDIUM LORIS has incorrect access checks in media module
CVE-2026-35400 3.5 LOW LORIS incorrectly trusts user input in publication module

IV. Related Vulnerabilities

Same product: Loris
Same vendor: aces
Same weakness: CWE-79

V. Comments for CVE-2026-35403

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