CVE-2026-48849

medium

Description

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.

References

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1

https://github.com/roundcube/roundcubemail/releases/tag/1.7.1

https://github.com/roundcube/roundcubemail/releases/tag/1.6.16

https://github.com/roundcube/roundcubemail/commit/a21519187873ce962db029b6ff68e47bd7f3fd8a

https://github.com/roundcube/roundcubemail/commit/189d30a4890319cd687df959ca9f768a3a613d61

Details

Source: Mitre, NVD

Published: 2026-05-25

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00032

Detections

Analytics