CVE-2026-48849

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.

CVSS v3.1

4.4 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.24% chance of exploitation in the next 30 days, 15th percentile

Published

2026-05-25

Updated

2026-05-26

Proof-of-concept exploits (1)

• AnandJogawade/CVE-2026-48849-Roundcube-Webmail-Stored-XSS1★ · 2026-06-21

References

• CVE Record
• NVD entry

Related

• CVE-2026-48824
• CVE-2026-4885
• CVE-2026-4882
• CVE-2026-48853
• CVE-2026-48816
• CVE-2026-48862