CVE-2026-25148
MEDIUM
GHSA-m6jq-g7gq-5w3c
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successful exploitation permits script execution in a victim's browser in the context of the affected origin. This issue has been patched in version 1.19.0.
Analysis
Improper serialization of virtual attributes in Qwik versions prior to 1.19.0 enables stored cross-site scripting attacks during server-side rendering, allowing attackers to inject malicious scripts that execute in users' browsers within the affected application context. The vulnerability requires user interaction and affects applications using vulnerable Qwik versions. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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