CVE-2026-30117 Details
Description
scalar/astro v0.1.13 was discovered to contain an arbitrary file upload vulnerability in the the scalar_url query parameter of the Scalar Proxy endpoint. This vulnerability allows attackers to execute arbitrary code via uploading a crafted SVG file.
An arbitrary file upload vulnerability has been identified in Scalar/Astro version 0.1.13. The issue arises in the Scalar Proxy endpoint, where the 'scalar_url' query parameter allows attackers to upload crafted SVG files. This vulnerability enables the execution of arbitrary code by exploiting the fact that SVG files can contain embedded JavaScript. When the malicious SVG is fetched and served to the victim's browser, the embedded script is executed in the context of 'proxy.scalar.com'.
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 May 19, 2026CISA-ADP
Assessed May 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/prassan10/XSS-Open-Redirect-via-scalar_url | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| scalar/astro | 0.1.13 (semver) |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 20, 2026 | CVE Modified | CISA-ADP |
| May 19, 2026 | New CVE Received | [email protected] |