What is CVE-2026-26483?

CVE-2026-26483 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-20.

How severe is CVE-2026-26483?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in N/a

CVE-2026-26483

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 class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-26483?: CVE-2026-26483 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-20.
How severe is CVE-2026-26483?: Medium severity. CVSS v3 base score is 6.1 out of 10.