Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.

Related CVEs

CVE-2025-8029

Key Information

GHSA ID

GHSA-657p-g22x-9v25

Published

July 22, 2025 9:31 PM

Last Modified

July 23, 2025 3:31 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 25, 2025 6:37 AM

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