Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>.…

Medium CVSS 6.1

CVECVE-2023-29540

First seen2026-08-19 16:16 UTC

Disclosed2023-06-02 17:15 UTC

Last updated2026-08-19 16:16 UTC

Channel statusauto

Summary

Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

https://bugzilla.mozilla.org/show_bug.cgi?id=1790542 Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1790542 Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory

Timeline

2026-08-19 nvd_ingest NVD