CVE-2026-53900 (GCVE-0-2026-53900)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:53 – Updated: 2026-06-16 14:37
VLAI
Title
Cookie injection was possible when opening a PDF link
Summary
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.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 14:37 UTC
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
  • CWE-384 - Session Fixation
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 683 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox for iOS Unaffected: 152.0 , ≤ * (rpm)
guessed Create a notification for this product.
Credits
Muneaki Nishimura
Show details on NVD website
To clipboard 

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