CVE-2026-52873

Vulnerability Description

Streambert is a cross-platform Electron Desktop App to stream and download video content. From version 2.5.0 until version 2.6.0, the wyzie-open-redeem IPC handler in index.js creates the partition:wyzie-redeem Electron session and registers an onHeadersReceived hook that removes the Content-Security-Policy header from every response in that session. The redeem window also lacks a setWindowOpenHandler restriction, so script injection in sub.wyzie.io, a loaded third-party resource, or a site reached through navigation executes without CSP constraints and can affect additional windows and persistent session storage. A user must open the Wyzie API key redemption window, and exploitation requires attacker-controlled script content in a loaded page. The resulting renderer script can invoke renderer-exposed application functionality and can be chained with other vulnerabilities to access internal services or sensitive data. This issue is fixed in version 2.6.0.

CVSS Score

Related Weaknesses (CWE)

References

• https://github.com/truelockmc/streambert/commit/0bd6b6ca8c830f22f75de1aa2e0d8b9b
• https://github.com/truelockmc/streambert/pull/126
• https://github.com/truelockmc/streambert/releases/tag/2.6.0
• https://github.com/truelockmc/streambert/security/advisories/GHSA-2j2q-qvpf-wh43
• https://github.com/truelockmc/streambert/security/advisories/GHSA-2j2q-qvpf-wh43