CVE-2026-27176
Reflected XSS in MajorDoMo command.php Enables JavaScript Injection
Publication date: 2026-02-18
Last updated on: 2026-02-20
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mjdm | majordomo | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a reflected cross-site scripting (XSS) issue found in MajorDoMo's command.php file. Specifically, the $qry parameter is included directly into the HTML page without proper sanitization using htmlspecialchars(). This occurs both in an input field's value attribute and in a paragraph element. As a result, an attacker can craft a malicious URL containing JavaScript code in the qry parameter, which will then be executed in the victim's browser.
How can this vulnerability impact me? :
This reflected XSS vulnerability can allow attackers to execute arbitrary JavaScript in the context of the victim's browser. This can lead to theft of session cookies, defacement of the website, redirection to malicious sites, or other malicious actions performed on behalf of the user. Since the vulnerability requires user interaction (clicking a crafted URL), it can be used in phishing attacks or to compromise user trust.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know