SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-0816

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…

MEDIUM 5.0EPSS 66.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 66.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS
66.94% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
mozilla/firefox · mozilla/thunderbird
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.