CVE-2026-25148

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.

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - security-advisories@github.com

Published

2026-02-03

Last modified

2026-02-04

Weaknesses

CWE-79

Affected products

• Qwik (Qwik)
• Qwik (Qwikdev)

References

• https://github.com/QwikDev/qwik/commit/fe2d9232c0bcec99411d51a00dae29295871d094
• https://github.com/QwikDev/qwik/security/advisories/GHSA-m6jq-g7gq-5w3c