CVE-2015-4490 — Vulnetix

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CVE-2015-4490 PUBLISHED

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.

EPSS 0.34% · 56.3th percentile

Risk Scores

EPSS Score

0.34%

56.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	firefox	0, 24.0+build1-0ubuntu1, 25.0+build3-0ubuntu0.13.10.1

Timeline

Aug 11, 2015 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Sep 1, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score
Jul 10, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2015-4490 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2015-91/ third-party-advisory
https://ubuntu.com/security/notices/USN-2702-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2015-4490 third-party-advisory

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