CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in properfraction MailOptin mailoptin allows Stored XSS.This issue affects MailOptin: from n/a through <= 1.2.75.0.
Explanation of Vulnerability in Simple Terms
MailOptin versions up to 1.2.75.0 contain a cross-site scripting vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically a victim visiting a crafted page—and can affect other users or the site itself. Update to version 1.2.76.0 or later to remediate.
What an attacker can do
Inject malicious scripts that execute in other users' browsers when they visit affected pages.
Potential impact on your site
An admin account compromise could allow script injection affecting other admins or site visitors, potentially leading to credential theft or malware distribution.
Conditions required to exploit
Attacker must have administrator privileges and the victim must visit a page containing the malicious payload.
Key dates
External resources
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