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prionPRIOn knowledge basePRION:CVE-2015-4490
HistoryAug 16, 2015 - 1:59 a.m.

Cross site scripting

2015-08-1601:59:00
PRIOn knowledge base
www.prio-n.com
7

6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%

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.

6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%