What’s Vulnerable › Vulnerabilities

CVE-2019-11754

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-27 · updated 2026-06-17

Description

When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given. This could allow a malicious website to hijack the mouse pointer and confuse users. This vulnerability affects Firefox < 69.0.1.

Affected products

• Mozilla Firefox: before 69.0.1 — fixed in 69.0.1

How to fix

Upgrade to a fixed version: Mozilla Firefox 69.0.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1580506
• https://www.mozilla.org/security/advisories/mfsa2019-31/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1580506
• https://www.mozilla.org/security/advisories/mfsa2019-31/

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