CVE-2015-0816

Name: CVE-2015-0816
Creator: NVD / NIST
Published: 2015-04-01T10:59:14.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 67.14%

Last modified Jun 17, 2026

CVE-2015-0816 is a vulnerability of currently unknown severity. Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 do not properly restrict resource: URLs, which makes it easier for remote attackers to execute arbitrary JavaScript code with chrome privileges by leveraging the ability to bypass the Same Origin Policy, as demonstrated by the resource: URL associated with PDF.js.. EPSS estimates a 67.14% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 do not properly restrict resource: URLs, which makes it easier for remote attackers to execute arbitrary JavaScript code with chrome privileges by leveraging the ability to bypass the Same Origin Policy, as demonstrated by the resource: URL associated with PDF.js.

Metrics

EPSS Probability

67.14%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 31.5.3
Mozilla	Firefox	<= 36.0.4
Mozilla	Thunderbird	<= 31.5

References

Timeline

Published: Apr 1, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-0816?

How severe is CVE-2015-0816?

Severity scoring for CVE-2015-0816 is pending analysis. The EPSS model estimates a 67.14% probability of exploitation in the next 30 days.

How do I fix CVE-2015-0816?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-0816?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST