# CVE-2026-4995: wandb OpenUI Window Message Event index.html cross site scripting

> CVE-2026-4995: wandb OpenUI Window Message Event index.html cross site scripting. CVSS 3.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-4995
Last updated: 2026-06-17T10:57:34Z

- Published: 2026-03-28 10:45 UTC · Updated: 2026-06-17 10:57 UTC · Assigner: VulDB
- CVSS: 3.5 (CVSS 3.1) · Severity: Low · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
- EPSS: 0.20%, 10th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-79, CWE-94

## Description

A vulnerability was determined in wandb OpenUI up to 1.0. Affected by this vulnerability is an unknown functionality of the file frontend/public/annotator/index.html of the component Window Message Event Handler. This manipulation causes cross site scripting. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected vendors and products

- wandb: OpenUI

## Tracked companies

- [Weights & Biases](https://rewindex.com/company/weights-biases.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-4995)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-4995)
- [https://gist.github.com/YLChen-007/899f210b2d78e163d13561bb7f49b4da](https://gist.github.com/YLChen-007/899f210b2d78e163d13561bb7f49b4da)
- [https://vuldb.com/?ctiid.353882](https://vuldb.com/?ctiid.353882)
- [https://vuldb.com/?id.353882](https://vuldb.com/?id.353882)
- [https://vuldb.com/?submit.778267](https://vuldb.com/?submit.778267)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-4995 · Markdown: https://rewindex.com/cve/CVE-2026-4995.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-4995 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:10:12.436Z