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CVE-2026-35539

CVSS 6.1 · Medium EPSS 0.04% · P14
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I. Basic Information for CVE-2026-35539

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Roundcube Webmail 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roundcube Webmail是Roundcube开源的一款基于浏览器的开源IMAP客户端，它支持地址薄管理、信息搜索、拼写检查等。 Roundcube Webmail 1.5.14之前版本和1.6.14之前版本存在跨站脚本漏洞，该漏洞源于预览模式下HTML附件清理不足，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
RoundcubeWebmail 0 ~ 1.5.14 -

II. Public POCs for CVE-2026-35539

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III. Intelligence Information for CVE-2026-35539

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Same Patch Batch · Roundcube · 2026-04-03 · 9 CVEs total

CVE-2026-355405.4 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355435.3 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355455.3 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355445.3 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355425.3 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355414.2 MEDIUMRoundcube Webmail 安全漏洞
CVE-2026-355373.7 LOWRoundcube Webmail 代码问题漏洞
CVE-2026-355383.1 LOWRoundcube Webmail 参数注入漏洞

IV. Related Vulnerabilities

Same product: Webmail
Same vendor: Roundcube
Same weakness: CWE-79

V. Comments for CVE-2026-35539

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