CVE-2026-27176

Name: CVE-2026-27176
Creator: NVD / NIST
Published: 2026-02-18T22:16:25.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2026-27176 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mjdm	Majordomo	All versions

References

https://chocapikk.com/posts/2026/majordomo-revisited/Exploit, Third Party Advisory
https://github.com/sergejey/majordomo/pull/1177Exploit, Issue Tracking
https://www.vulncheck.com/advisories/majordomo-reflected-cross-site-scripting-in-commandphpThird Party Advisory

Timeline

Published: Feb 18, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-27176?

How severe is CVE-2026-27176?

CVE-2026-27176 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27176?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27176?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST