CVE-2016-5265

Mozilla: Same-origin policy violation using local HTML file and saved shortcut file (MFSA 2016-80)

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · August 2, 2016

Updated · November 21, 2025

Description

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow user-assisted remote attackers to bypass the Same Origin Policy, and conduct Universal XSS (UXSS) attacks or read arbitrary files, by arranging for the presence of a crafted HTML document and a crafted shortcut file in the same local directory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS 2.0 · 4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

CWE not specified