Cross-Site Scripting Flaw in Qwik Framework by QwikDev
CVE-2026-25148

5.3MEDIUM

Key Information:

Vendor

Qwikdev

Status
Qwik
Vendor
CVE Published:
3 February 2026

What is CVE-2026-25148?

The Qwik framework, known for its performance-oriented design, contains a vulnerability prior to version 1.19.0 that permits Cross-Site Scripting (XSS) attacks. This flaw arises from improper serialization of virtual attributes during server-side rendering, allowing remote attackers to inject malicious scripts into server-generated pages. If exploited, these scripts can execute in the victim's browser within the context of the affected origin. The vulnerability has been remediated in version 1.19.0, making it crucial for users to upgrade their systems accordingly to ensure security.

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Deploy the Patch

Affected Version(s)

qwik < 1.19.0

References

https://github.com/QwikDev/qwik/security/advisories/GHSA-...
x_refsource_CONFIRM
https://github.com/QwikDev/qwik/commit/fe2d9232c0bcec9941...
x_refsource_MISC

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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