CVE-2021-26925

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-26925

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202102-27

OS impact

OSVersionStatusFixed in
arch archfixed1.4.11-1
debian debianbookwormfixed1.4.11+dfsg.1-1
debian debianbullseyefixed1.4.11+dfsg.1-1
debian debiansidfixed1.4.11+dfsg.1-1
debian debiantrixiefixed1.4.11+dfsg.1-1

References

Verify integrity in audit chain (admin only). AS-IS.