CVE-2026-116004: onyx-dot-app Onyx PreviewTab.tsx cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-25 · updated 2026-10-29
Weakness: CWE-79

Description

A security vulnerability has been detected in onyx-dot-app Onyx up to 5.0.0. Impacted is an unknown function of the file web/src/app/craft/components/output-panel/PreviewTab.tsx. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

onyx-dot-app onyx: 5.0

References

https://github.com/onyx-dot-app/onyx/
https://github.com/onyx-dot-app/onyx/security/advisories/GHSA-grhq-88h5-2h86
https://vuldb.com/cve/CVE-2026-116004
https://vuldb.com/submit/992835
https://vuldb.com/vuln/426102
https://vuldb.com/vuln/426102/cti

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