PT-2026-6273 · Qwik · Qwik

Wodzen · Published 2026-02-03 · Updated 2026-02-04 · CVE-2026-25148

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Qwik versions prior to 1.19.0

Description A Cross-Site Scripting issue exists in Qwik.js' server-side rendering virtual attribute serialization. This allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successful exploitation can lead to script execution in a victim's browser within the context of the affected origin.

Recommendations Update to Qwik version 1.19.0 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25148

GHSA-M6JQ-G7GQ-5W3C

Affected Products

Qwik

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25148.json · Exploit
• https://github.com/QwikDev/qwik/security/advisories/GHSA-m6jq-g7gq-5w3c · Vendor Advisory
• https://github.com/QwikDev/qwik/commit/fe2d9232c0bcec99411d51a00dae29295871d094 · Patch
• https://osv.dev/vulnerability/CVE-2026-25148 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-m6jq-g7gq-5w3c · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25148 · Security Note
• https://github.com/QwikDev/qwik · Note
• https://twitter.com/_cvereports/status/2019118781235175784 · Twitter Post
• https://t.me/CVEtracker/43653 · Telegram Post
• https://twitter.com/CVEnew/status/2018913272854990971 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2018875894446596123 · Twitter Post