CVE-2026-53900
Cookie injection was possible when opening a PDF link
Vexday Risk Score
13Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 4.3EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
16 jun 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Productos afectados
Mozilla · Firefox for iOS¿Quieres saber si tu infraestructura está expuesta a esto?
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