MailEnable versions prior to 10.54 contain a reflected cross-site scripting (XSS) vulnerability in the Failed parameter of /Mondo/lang/sys/Forms/MAI/AddRecipientsResult.aspx. The Failed value is not properly sanitized when processed via a GET request and is reflected in the response, allowing an attacker to break out of existing markup and inject arbitrary script. A remote attacker can supply a crafted payload that closes an existing HTML list element, inserts attacker-controlled JavaScript, and comments out remaining code, leading to script execution in a victim’s browser when the victim visits a malicious link. Successful exploitation can redirect victims to malicious sites, steal non-HttpOnly cookies, inject arbitrary HTML or CSS, and perform actions as the authenticated user.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 12 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Mailenable
Mailenable mailenable
CPEs cpe:2.3:a:mailenable:mailenable:*:*:*:*:standard:*:*:*
Vendors & Products Mailenable
Mailenable mailenable
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Tue, 09 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Description MailEnable versions prior to 10.54 contain a reflected cross-site scripting (XSS) vulnerability in the Failed parameter of /Mondo/lang/sys/Forms/MAI/AddRecipientsResult.aspx. The Failed value is not properly sanitized when processed via a GET request and is reflected in the response, allowing an attacker to break out of existing markup and inject arbitrary script. A remote attacker can supply a crafted payload that closes an existing HTML list element, inserts attacker-controlled JavaScript, and comments out remaining code, leading to script execution in a victim’s browser when the victim visits a malicious link. Successful exploitation can redirect victims to malicious sites, steal non-HttpOnly cookies, inject arbitrary HTML or CSS, and perform actions as the authenticated user.
Title MailEnable < 10.54 Reflected XSS in Failed Parameter of MAI/AddRecipientsResult.aspx
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-12T18:58:15.106Z

Reserved: 2025-04-15T19:15:22.598Z

Link: CVE-2025-34409

cve-icon Vulnrichment

Updated: 2025-12-12T18:58:12.161Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-09T18:15:51.580

Modified: 2025-12-09T20:17:18.127

Link: CVE-2025-34409

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses