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CVE-2026-53899

—
CVSS 3.1
6.5 medium
EPSS
<1%p1
Published
()
Modified
Description

Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0.

Vendors
mozilla
Products
firefox mobile
Weakness
CWE-345
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news

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