Description
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information disclosure or access-control bypass.
CVSS 6.5EPSS 0.40499999999999997%Risk 0.67
View source- Published
- 2026-05-25 20:16:37
- Affected versions
- <1.6.16, <1.7.1
- Type
- Web application
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N