GHSA-mc9q-rpjx-f8px
GitHub Security Advisory
⚠ Unreviewed
MODERATE
Has CVE
Advisory Details
Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
Related CVEs
Key Information
5.0
/10
Dataset
Last updated: September 10, 2025 6:31 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.