CVEvulnerability
CVE-2026-35539
6.1 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-03
- Last modified
- 2026-07-24
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.
Affected configurations
• roundcube webmail (< 1.5.14)
• roundcube webmail (>= 1.6.0 < 1.6.14)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/roundcube/roundcubemail/commit/10a6d1fa8acac85c727b0a6ae4a6642bfa27bea1 Patch
- https://github.com/roundcube/roundcubemail/commit/1b30edf5369668c92fe91dae3d52e477c808aa4f Patch
- https://github.com/roundcube/roundcubemail/commit/d742954ccbcdee7020f8f2e7c49ce0fca5a0efab Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.14 Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 Release Notes
- https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 Vendor Advisory