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CVE-2026-25148

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Date: February 3, 2026

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.

Severity Score

Related Resources (5)

https://github.com/QwikDev/qwik
https://github.com/QwikDev/qwik/commit/fe2d9232c0bcec99411d51a00dae29295871d094
https://github.com/QwikDev/qwik/security/advisories/GHSA-m6jq-g7gq-5w3c
https://nvd.nist.gov/vuln/detail/CVE-2026-25148
https://www.mend.io/vulnerability-database/CVE-2026-25148

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version @builder.io/qwik-city - 1.19.0;https://github.com/QwikDev/qwik.git - @builder.io/qwik-city@1.19.0

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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