What is CVE-2019-11697?

CVE-2019-11697 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-07-23.

How severe is CVE-2019-11697?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Mozilla Firefox

CVE-2019-11697

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (54.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@mozilla.org (x_refsource_MISC, Vendor Advisory)
security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-11697?: CVE-2019-11697 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-07-23.
How severe is CVE-2019-11697?: Medium severity. CVSS v3 base score is 6.5 out of 10.