CVE-2019-11697

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

If the ALT and "a" keys are pressed when users receive an extension installation prompt, the extension will be installed without the install prompt delay that keeps the prompt visible in order for users to accept or decline the installation. A malicious web page could use this with spoofing on the page to trick users into installing a malicious extension. This vulnerability affects Firefox < 67.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 67

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1440079Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1440079Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory

Timeline

Published: Jul 23, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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