CVE-2026-26483

Published Jul 20, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Persistent XSS via Unsanitized Template Content in Mettle SendPortal 3.0.1 and Earlier
Type Values Removed Values Added
Title Persistent XSS via Unsanitized Template Content in Mettle SendPortal 3.0.1 and Earlier
Type Values Removed Values Added
First Time appeared Mettle
Mettle sendportal
Vendors & Products Mettle
Mettle sendportal
Type Values Removed Values Added
Weaknesses CWE-79
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'}

ssvc

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

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 20, 2026, 6:17 PM
Reserved
Feb 16, 2026, 12:00 AM
Status
Deferred
Published
Jul 20, 2026, 6:16 PM
Modified
Jul 23, 2026, 6:28 PM