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CVE-2026-32850— MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter

Quick assessment

Affected
MailEnable MailEnable
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.55之前版本存在跨站脚本漏洞，该漏洞源于Webmail接口中ManageShares.aspx表单的SelectedIndex参数清理不当，可能导致反射型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.46% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
MailEnable MailEnable < 10.55.0 affected
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I. Basic Information for CVE-2026-32850

Vulnerability Information
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Vulnerability Title
MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
MailEnable versions prior to 10.55 contain a reflected cross-site scripting vulnerability in the webmail interface that allows remote attackers to execute arbitrary JavaScript in a victim's browser by crafting a malicious URL. Attackers can inject malicious code through the SelectedIndex parameter in the ManageShares.aspx form, which is not properly sanitized before being embedded into dynamically generated JavaScript.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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
MailEnable 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.55之前版本存在跨站脚本漏洞，该漏洞源于Webmail接口中ManageShares.aspx表单的SelectedIndex参数清理不当，可能导致反射型跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
MailEnable MailEnable 0 ~ 10.55.0 -

II. Public POCs for CVE-2026-32850

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III. Intelligence Information for CVE-2026-32850

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Vendor Advisories for CVE-2026-32850 (2)

Vendor Pages for CVE-2026-32850 (2)

Same Patch Batch · MailEnable · 2026-03-23 · 3 CVEs total

CVE-2026-32851 MailEnable < 10.55 Reflected XSS via FreeBusy.aspx StartDate Parameter
CVE-2026-32852 MailEnable < 10.55 Reflected XSS via FreeBusy.aspx StartDate Parameter

IV. Related Vulnerabilities

Same product: MailEnable
Same vendor: MailEnable
Same weakness: CWE-79

V. Comments for CVE-2026-32850

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