CVE-2018-5105
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v ≤ 57.0.4 | — |
| canonical ubuntu_linux | 14.04, 16.04, 17.10 | — |
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