Description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.
CVSS 5.3EPSS 0.366%Risk 0.55
View source- Published
- 2026-04-03 05:16:22
- Affected versions
- <1.5.14, <1.6.14
- Type
- Installed app
- Last modified
- 2026-07-24 21:10:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N