Ghostwire

CVE-2026-53900: Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in...

MEDIUM CVSS 0.0

Published: June 16, 2026 | Last Modified: June 16, 2026

Description

Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0.

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References