Medium WID-SEC-2026-3103 1 CVE

Mozilla Firefox: Schwachstelle ermöglicht Darstellen falscher Informationen

Published Aug 31, 2026 · Updated Aug 31, 2026 · de-DE

Vendor: Mozilla Product: Firefox Platform: iOS

Summary

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Mozilla Firefox ausnutzen, um falsche Informationen darzustellen.

Product

Firefox ist ein Open Source Web Browser.

Vulnerabilities 1

Medium 5.4

CVE-2026-81267

Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.

Mozilla Firefox for iOS iOS Browsers

Aug 31, 2026

Revision history

2026-08-31 #1
Initiale Fassung

References

Mozilla Security Advisory mfsa2026-81 vom 2026-08-31
https://www.mozilla.org/en-US/security/advisories/mfsa2026-81/