NetSight
high7.8

CVE-2018-5105

WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file.

Impact

WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file. This can result in an executable file running with local user privileges without explicit user consent. This vulnerability affects Firefox < 58.

Affected products

VendorProductAffected versions
MozillaFirefox
through 57.0.4
CanonicalUbuntu Linux
Versions 14.04, 16.04, 17.10

References