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CVE-2026-41067 - Vulnerability Analysis

MediumCVSS: 6.1

Last Updated: April 27, 2026

Astro - Stored XSS

Published: April 24, 2026Updated: April 27, 2026PoC AvailableRemote Exploitable

Overview

Astro < 6.1.6 contains a stored XSS caused by improper case-sensitive sanitization of inline <script> tags in defineScriptVars, letting attackers inject arbitrary HTML/JavaScript, exploit requires crafted input.

Severity & Score

Severity: Medium

CVSS Score: 6.1

Impact

Attackers can inject and execute arbitrary JavaScript, leading to client-side script execution and potential user data compromise.

Mitigation

Update to version 6.1.6 or later.

References

https://github.com/withastro/astro/security/advisories/GHSA-j687-52p2-xcff

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-41067
Severity: Medium
CVSS Score: 6.1
Type: stored_xss
Status: confirmed

CWE

CWE-79

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N