CVE-2026-10234
LowCVSS 3.5Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
An unknown part of the /webview/ file in the Campaign Handler component in Mettle sendportal up to version 3.0.1 is vulnerable to XSS via manipulation of the content argument. The attack can be performed remotely and the exploit is publicly available. The project was notified but has not responded.
Risk Assessment
An attacker can inject a malicious script, potentially leading to data theft or user session hijacking.
Recommendation
Update sendportal to the latest version or apply input filtering for the content argument.
Other vulnerabilities in Mettle sendportal
See all- CVE-2026-26483Medium
Mettle SendPortal 3.0.1 and earlier contains a stored 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.
- CVE-2026-15192Medium
A missing authentication vulnerability has been found in Mettle SendPortal up to version 3.0.1, affecting the APIv1 Webhooks component for sendgrid/postmark/postal/mailjet functions. The attack can be carried out remotely and the exploit has been publicly disclosed.
- CVE-2026-15191Medium
A vulnerability has been found in Mettle SendPortal up to version 3.0.1 in the campaign creation endpoint. Unknown code in CampaignStoreRequest.php allows remote authorization bypass. The exploit has been published and may be used.
Original NVD description (English source)
A vulnerability was detected in Mettle sendportal up to 3.0.1. This affects an unknown part of the file /webview/ of the component Campaign Handler. The manipulation of the argument content results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS