CVE-2026-27176
MEDIUM NUCLEIMajorDoMo - Reflected Cross-Site Scripting in command.php via qry Parameter
Title source: llmExploitation Summary
CVE-2026-27176 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
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.
Nuclei Templates (1)
MajorDoMo - Cross-Site Scripting
MEDIUMVERIFIEDby DhiyaneshDk
Shodan:
html:"majordomo"
References (3)
Core 3
Core References
Various Sources third-party-advisory
https://chocapikk.com/posts/2026/majordomo-revisited/
Issue Tracking patch
https://github.com/sergejey/majordomo/pull/1177
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/majordomo-reflected-cross-site-scripting-in-commandphp
Scores
CVSS v3
6.1
EPSS
0.0009
EPSS Percentile
26.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
mjdm/majordomo
sergejey/MajorDoMo
Published
Feb 18, 2026
Tracked Since
Feb 19, 2026