CVE-2026-26483
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductSendPortal
PublishedJul 20, 2026
First seenJul 20, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mettle SendPortal | v ≤ 3.0.1 | — |
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