CVE-2026-53900 - Cookie injection was possible when opening a PDF link
CVE ID :CVE-2026-53900
Published : June 16, 2026, 1:16 p.m. | 2 hours, 21 minutes ago
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.
Severity: 4.3 | MEDIUM
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Published : June 16, 2026, 1:16 p.m. | 2 hours, 21 minutes ago
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.
Severity: 4.3 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...