Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.

Related CVEs

CVE-2020-15665

Key Information

GHSA ID

GHSA-24p6-rvcm-7q74

Published

May 24, 2022 5:29 PM

Last Modified

May 24, 2022 5:29 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 12, 2025 6:24 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.