The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wildcard source-expression matching, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks by leveraging unexpected policy-enforcement behavior.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2015-08-16T01:00:00

Updated: 2024-08-06T06:18:11.636Z

Reserved: 2015-06-10T00:00:00

Link: CVE-2015-4490

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2015-08-16T01:59:18.080

Modified: 2024-11-21T02:31:11.353

Link: CVE-2015-4490

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-08-11T00:00:00Z

Links: CVE-2015-4490 - Bugzilla