What our analysis found

Promethean® Screen Share, used by 3,000,000 people, showed no malicious code in Extension Auditor's review. Our code review reported 1 finding (1 high), led by other. It comes from a publisher with 3 extensions and was last updated in July 2026.

Key findings

• high· other —The bundled manifest declares manifest_version 2 and includes desktopCapture, while the published CWS listing shows manifest_version 3 with permissions: storage, idle, offscreen. This mismatch could indicate a delayed update or a discrepancy between the reviewed version and the live listing, which warrants further investigation.

The provided source code (6 files) contains only a benign audio permission polyfill and no suspicious logic. The desktopCapture permission is appropriate for a screen sharing extension. However, the full source is not available for review; the ML model evidence suggests numerous requests likely related to WebRTC signaling, which would be normal for this functionality. The manifest mismatch (v2 vs listed v3, desktopCapture vs offscreen) may indicate a versioning update, not malice. Given the publisher's reputation and category alignment, the extension is likely benign.