CVE-2026-26483

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.1 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N                                    

Vulnerability Description

Mettle SendPortal 3.0.1 and earlier contains a stored cross-site scripting (XSS) vulnerability in the template management functionality. The application fails to properly sanitize user-supplied input in the content parameter of the /templates endpoint, allowing an attacker to persistently inject malicious JavaScript code that is executed in the browsers of users who access the affected template.

Vulnerability Details

Published Date

July 20, 2026

Last Modified

July 20, 2026

CWE ID

CWE-79

Source

NVD

External References

https://gist.github.com/WinBlah12/8dbc1eae788945c6ea6ab1a2cdfd7cb1
https://github.com/mettle/sendportal

CVE-2026-26483

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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