Roundcube Webmail: Insufficient HTML attachment sanitization in preview mode
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-35539US | — | — | ||
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… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/roundcube/roundcubemailPACKAGE
- https://github.com/roundcube/roundcubemail/commit/10a6d1fa8acac85c727b0a6ae4a6642bfa27bea1WEB
- https://github.com/roundcube/roundcubemail/commit/1b30edf5369668c92fe91dae3d52e477c808aa4fWEB
- https://github.com/roundcube/roundcubemail/commit/d742954ccbcdee7020f8f2e7c49ce0fca5a0efabWEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.14WEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.14WEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-35539ADVISORY
scry
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