CVE-2026-32850Public exploitNetwork attack vector

Reflected XSS via unsanitized SelectedIndex parameter

Published Mar 23, 2026 · Updated Mar 23, 2026

Reflected XSS in MailEnable webmail before 10.55 allows remote attackers to execute JavaScript through a crafted URL. ManageShares.aspx embeds the unsanitized SelectedIndex query value into generated JavaScript, letting input escape the existing function and inject script. A victim must follow the crafted link; execution occurs in that victim's browser within the webmail origin.

CVSS severity5.1
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in MailEnable webmail before 10.55 allows remote attackers to execute JavaScript through a crafted URL. ManageShares.aspx embeds the unsanitized SelectedIndex query value into generated JavaScript, letting input escape the existing function and inject script. A victim must follow the crafted link; execution occurs in that victim's browser within the webmail origin.

The record

CVE
CVE-2026-32850
Published
Mar 23, 2026
Updated
Mar 23, 2026
Vendor
MailEnable
Product
MailEnable
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <10.55

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MailEnable · MailEnableversion=0 <10.55

Published CVSS scores

5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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