CVE-2026-25916

medium

Description

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

References

https://github.com/mbanyamer/CVE-2026-25916-Roundcube-Webmail-DOM-based-XSS-Exploit-via-SVG-href-Attribute

https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/

https://news.ycombinator.com/item?id=46937012

https://github.com/roundcube/roundcubemail/commit/26d7677

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-6937

Details

Source: Mitre, NVD

Published: 2026-02-09

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 4.3

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

Severity: Medium

EPSS

EPSS: 0.00028