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CVE-2023-5631— Stored XSS vulnerability in Roundcube

Quick assessment

Affected
Roundcube Roundcubemail
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Roundcube Webmail是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 1.4.15之前、1.5.5之前、1.6.4之前版本存在跨站脚本漏洞，该漏洞源于program/lib/Roundcube/rcube_washtml.php存在安全问题，允许远程攻击者加载任意 JavaScript 代码。

CVSS 6.1 · Medium KEV EPSS 75.87% · P100
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I. Basic Information for CVE-2023-5631

Vulnerability Information
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Vulnerability Title
Stored XSS vulnerability in Roundcube
Source: CVE Program / CVE List V5
Vulnerability Description
Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker to load arbitrary JavaScript code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Roundcube Webmail 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roundcube Webmail是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 1.4.15之前、1.5.5之前、1.6.4之前版本存在跨站脚本漏洞，该漏洞源于program/lib/Roundcube/rcube_washtml.php存在安全问题，允许远程攻击者加载任意 JavaScript 代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Roundcube Roundcubemail 1.6.0 ~ 1.6.3 -

II. Public POCs for CVE-2023-5631

# POC Description Source Link Shenlong Link
1 EXPLOIT Roundcube vulnerability POC (CVE-2023-5631) https://github.com/greandfather/EXPLOIT-Roundcube-vulnerability-POC-CVE-2023-5631- POC Details
2 Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 and allows XSS to be saved via an HTML email message with a crafted SVG document due to program/ behavior lib/Roundcube/rcube_washtml.php https://github.com/soreta2/CVE-2023-5631-POC POC Details
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III. Intelligence Information for CVE-2023-5631

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Patches & Fixes for CVE-2023-5631 (2)

Vendor Advisories for CVE-2023-5631 (2)

Mailing List Discussions for CVE-2023-5631 (5)

Other References for CVE-2023-5631 (6)

IV. Related Vulnerabilities

Same vendor: Roundcube
Same weakness: CWE-79

V. Comments for CVE-2023-5631

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