Description
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.
Scores
CVSS v3
4.7
EPSS
0.0008
EPSS Percentile
24.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-829
Status
published
Products (2)
Roundcube/Webmail
< 1.5.13
Roundcube/Webmail
1.6.0 - 1.6.13
Published
Feb 11, 2026
Tracked Since
Feb 18, 2026