CVE-2026-53900
MEDIUM
4,3
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Description
AI Translation Available
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.
345
Insufficient Verification of Data Authenticity
DraftCommon Consequences
Security Scopes Affected:
Integrity
Other
Potential Impacts:
Varies By Context
Unexpected State
Applicable Platforms
Technologies:
ICS/OT
384
Session Fixation
IncompleteCommon Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Gain Privileges Or Assume Identity
Applicable Platforms
Technologies:
Web Based, Web Server
https://bugzilla.mozilla.org/show_bug.cgi?id=2043204
https://www.mozilla.org/security/advisories/mfsa2026-56/