Medium severity · published Feb 18, 2026
CVE-2026-27176
MajorDoMo Reflected Cross-Site Scripting in command.php
6.1
CVSS
0.5%
EPSS
No
On KEV
Description
MajorDoMo (aka Major Domestic Module) contains a reflected cross-site scripting (XSS) vulnerability in command.php. The $qry parameter is rendered directly into the HTML page without sanitization via htmlspecialchars(), both in an input field value attribute and in a paragraph element. An attacker can inject arbitrary JavaScript by crafting a URL with malicious content in the qry parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
MajorDoMo · sergejey
0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27176
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27176
Exploit
https://chocapikk.com/posts/2026/majordomo-revisited/
Exploit
https://github.com/sergejey/majordomo/pull/1177
Third Party Advisory
https://www.vulncheck.com/advisories/majordomo-reflected-cross-site-scripting-in-commandphp
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