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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-25148

22
FAUCET Score

CVE-2026-25148 is a Cross-Site Scripting (XSS) vulnerability in Qwik.js, a JavaScript framework, affecting versions prior to 1.19.0. An unauthenticated attacker can inject malicious scripts into server-rendered pages by manipulating virtual attributes. This medium-severity vulnerability (CVSS 6.1) allows for script execution in a victim's browser, potentially leading to data theft or defacement. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.19.0CPE matchmatch criteria
cpe:2.3:a:qwik:qwik:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
22.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 23rd percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @builder.io/qwik-cityFixed in: 1.19.0

Vendor Advisories (1)

npmGHSA-m6jq-g7gq-5w3cmedium

Qwik SSR XSS via Unsafe Virtual Node Serialization

Feb 3, 2026

References

github.com / QwikDev/qwik/commit/fe2d9232c0bcec99411d51a00dae29295871d094
Patch
github.com / QwikDev/qwik/security/advisories/GHSA-m6jq-g7gq-5w3c
Vendor Advisory