CVE-2021-26925
5.4
MEDIUM
CVSS 3.1
EPSS 0.26%
Description
Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.
How to fix CVE-2021-26925
To remediate CVE-2021-26925, upgrade the affected package to a fixed version below.
- Bitnami/roundcube—upgrade to 1.4.11 or later
- Debian/roundcube—upgrade to 1.4.11+dfsg.1-1 or later
Is CVE-2021-26925 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.4.11
- from 0, < 1.4.11+dfsg.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |