XSS in Roundcube Webmail
CVE-2026-114718
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a cross-site scripting vulnerability in the password plugin. Error text returned by a password driver was concatenated into the message presented to the user without HTML escaping, so a backend able to influence that text, such as the DirectAdmin API, could inject script into the Roundcube interface. Upstream fixed this in the commit “Fix XSS issue in handling of password driver error responses”, which escapes the driver message before display.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- bugs.debian.org/1151279 (issue-tracking, third-party-advisory)
- github.com/roundcube/roundcubemail/commit/16bbca70b668e85332f23333946a764865bea… (patch)
- roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 (release-notes, vendor-advisory)
- github.com/roundcube/roundcubemail/releases/tag/1.7.5 (release-notes, patch)
- github.com/roundcube/roundcubemail/releases/tag/1.6.20 (release-notes, patch)
- github.com/roundcube/roundcubemail/commit/94298856ee67ff7817cc4def2adb634be91e2… (patch)
Frequently asked questions
- What is CVE-2026-114718?
- CVE-2026-114718 is a medium-severity vulnerability in Roundcube Webmail, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-10-22.
- How severe is CVE-2026-114718?
- Medium severity. CVSS v3 base score is 4.7 out of 10.