CVE-2026-116004

onyx-dot-app Onyx PreviewTab.tsx cross site scripting

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

onyx-dot-app · Onyx

CVSS v4.0 VulDB

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS v3.1 VulDB

3.5 LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C

CVSS v3.0 VulDB

3.5 LOWCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C

CVSS v2.0 VulDB

4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:C

EPSS

0.20% chance of exploitation in the next 30 days, 10th percentile

Published

2026-10-25

Updated

2026-10-29

Proof-of-concept exploits (1)

• capivara-research/CVE-2026-116004Repo stars 0★ · pushed 2026-10-26 · find archive
  1 file

  poc/payload.html

CVE references

• onyx-dot-app/onyxREFERENCE
• onyx-dot-app/onyx/security/advisories/GHSA-grhq-88h5-2h86REFERENCE
• https://vuldb.com/cve/CVE-2026-116004ADVISORY
• https://vuldb.com/submit/992835ADVISORY
• https://vuldb.com/vuln/426102REFERENCE
• https://vuldb.com/vuln/426102/ctiREFERENCE

References

• CVE Record
• NVD entry

Related

• CVE-2016-5195
• CVE-2018-7600
• CVE-2019-12181
• CVE-2019-7214
• CVE-2020-11652
• CVE-2024-25153