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CVE-2026-26483

MEDIUM
6.1
CVSS Score
Published: July 20, 2026 at 12:00 AM UTC
Updated: July 23, 2026 at 09:12 PM UTC
1 product affected across 1 vendorSendPortal

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SendPortal· Mettle
90%
v ≤ 3.0.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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