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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
steedos steedos-platform unaffected
Version Status Constraints
0 affected ≤ 3.0.15-beta.47

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Steedos Subscribe
Steedos-platform Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Tue, 15 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 15 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Steedos Platform through 3.0.15-beta.47 Reflected XSS via page render
First Time appeared Steedos
Steedos steedos-platform
Weaknesses CWE-79
CPEs cpe:2.3:a:steedos:steedos-platform:*:*:*:*:*:*:*:*
Vendors & Products Steedos
Steedos steedos-platform
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-15T12:40:04.172Z

Reserved: 2026-09-15T10:42:43.305Z

Link: CVE-2026-91922

cve-icon Vulnrichment

Updated: 2026-09-15T12:39:59.318Z

cve-icon NVD

Status : Received

Published: 2026-09-15T11:17:12.737

Modified: 2026-09-15T13:16:46.797

Link: CVE-2026-91922

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses