Security Advisory

CVE-2026-53900

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-16 11:53:05

Last updated 2026-06-16 14:37:32

Assigner mozilla

CVSS score not scored

State PUBLISHED

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.

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