CVE-2026-91922 Details
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.
A reflected cross-site scripting vulnerability has been identified in Steedos Platform versions through 3.0.15-beta.47. The issue resides in the anonymous '/api/page/render' endpoint, which improperly escapes query parameters in inline script elements. This flaw allows attackers to craft links that execute arbitrary JavaScript in the context of the victim's session, potentially leading to the theft of session credentials such as the 'X-Auth-Token'.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 15, 2026CISA-ADP
Assessed Sep 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/steedos/steedos-platform/issues/8354 | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/steedos/steedos-platform | [email protected] | Vendor |
| https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_render.router.js | [email protected] | Source CodeVendor |
| https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_view.ejs | [email protected] | Source CodeVendor |
| https://github.com/steedos/steedos-platform/issues/8354 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://www.vulncheck.com/advisories/steedos-platform-through-3.0.15-beta.47-reflected-xss-via-page-render | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Steedos | All versions |
CPE
Remediation
| |
| Steedos Platform | <= 3.0.15-beta.47 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 15, 2026 | CVE Modified | CISA-ADP |
| Sep 15, 2026 | New CVE Received | [email protected] |