CVE Database›CVE-2015-4495

CVE-2015-4495

Mozilla: Same origin violation and local file stealing via PDF reader (MFSA 2015-78)

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Severity

Important

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · August 6, 2015

Updated · November 21, 2025

Description

A flaw was discovered in Mozilla Firefox that could be used to violate the same-origin policy and inject web script into a non-privileged part of the built-in PDF file viewer (PDF.js). An attacker could create a malicious web page that, when viewed by a victim, could steal arbitrary files (including private SSH keys, the /etc/passwd file, and other potentially sensitive files) from the system running Firefox.

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 2.0 · 4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

CWE not specified