CVE-2026-91922

Steedos Platform through 3.0.15-beta.47 contains a reflected cross-site scripting vulnerability in the anonymous /api/page/render endpoint that fails to properly escape query parameters in inline script elements. Attackers can craft malicious links with script-terminating sequences in the schemaApi or data parameters to execute arbitrary JavaScript in victim sessions and steal X-Auth-Token credentials.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/steedos/steedos-platform
https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_render.router.js
https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_view.ejs
https://github.com/steedos/steedos-platform/issues/8354
https://www.vulncheck.com/advisories/steedos-platform-through-3.0.15-beta.47-reflected-xss-via-page-render
https://github.com/steedos/steedos-platform/issues/8354

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 11:17

Updated : 2026-09-15 13:16

NVD link : CVE-2026-91922

Mitre link : CVE-2026-91922

CVE.ORG link : CVE-2026-91922

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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