Dashboard / CVE-2026-53900

CVE-2026-53900

MEDIUM
MEDIUM Priority: 0.00 BB Relevance: 59/100
Published: 2026-06-16 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: Low
I: None
A: None

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.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
mozilla firefox_mobile < 152.0

References & Advisories (2)

Bug Bounty Relevance

59 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

4.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.10%
Raw Score 0.001000
Percentile 0.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00100
2026-10-28
0.00100

Intelligence Sources

nvd ref →

External Links