CVE-2020-15562
roundcube - security update
6.1
MEDIUM
CVSS 3.1
EPSS 0.86%
Description
An issue was discovered in Roundcube Webmail before 1.2.11, 1.3.x before 1.3.14, and 1.4.x before 1.4.7. It allows XSS via a crafted HTML e-mail message, as demonstrated by a JavaScript payload in the xmlns (aka XML namespace) attribute of a HEAD element when an SVG element exists.
How to fix CVE-2020-15562
To remediate CVE-2020-15562, upgrade the affected package to a fixed version below.
- —upgrade to 1.2.11 or later
- —upgrade to 1.4.7+dfsg.1-1 or later
- —upgrade to 1.3.14+dfsg.1-1~deb10u1 or later
Is CVE-2020-15562 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.2.11, >= 1.3.0, < 1.3.14, >= 1.4.0, < 1.4.7
- from 0, < 1.4.7+dfsg.1-1
- from 0, < 1.3.14+dfsg.1-1~deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |