CVE-2020-15664
Medium
Description
By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed. This vulnerability affects Firefox < 80, Thunderbird < 78.2, Thunderbird < 68.12, Firefox ESR < 68.12, Firefox ESR < 78.2, and Firefox for Android < 80.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mozilla Firefox
PublishedOct 1, 2020
First seenOct 1, 2020
How to fix
Update
- mozilla firefox80.0, 78.2 or later
- mozilla firefox_esr68.12 or later
- mozilla firefox_mobile80.0 or later
- mozilla thunderbird68.12, 78.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 80.0, 78.0 ≤ v < 78.2 | 80.0, 78.2 |
| mozilla firefox_esr | v < 68.12 | 68.12 |
| mozilla firefox_mobile | v < 80.0 | 80.0 |
| mozilla thunderbird | v < 68.12, 78.0 ≤ v < 78.2 | 68.12, 78.2 |
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