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Connect-CMS has DOM-based Cross-Site Scripting (XSS) in the Cabinet Plugin List View

High severity GitHub Reviewed Published Mar 23, 2026 in opensource-workshop/connect-cms • Updated Mar 25, 2026

Package

composer opensource-workshop/connect-cms (Composer)

Affected versions

>= 1.35.0, < 1.41.1
>= 2.35.0, < 2.41.1

Patched versions

1.41.1
2.41.1

Description

Security Advisory — Cabinet Plugin (DOM-based XSS)

Summary

A DOM-based Cross-Site Scripting (XSS) issue exists in the Cabinet Plugin list view.

Affected Versions

  • 1.x series: >= 1.35.0, <= 1.41.0
  • 2.x series: >= 2.35.0, <= 2.41.0

Patched Versions

  • 1.41.1
  • 2.41.1

Description

In the Cabinet Plugin list view, DOM-based Cross-Site Scripting (XSS) could occur due to how saved names were rendered.
If exploited, arbitrary script could run in the victim's browser, which may lead to unauthorized actions or information theft.
Exploitation requires that the attacker be able to reach the affected functionality as an authenticated user.
Users affected by this vulnerability should update to a fixed version.

Solution

Update to the fixed version.
For the 1.x series, update to 1.41.1 or later.
For the 2.x series, update to 2.41.1 or later.

Credits

OpenSource WorkShop thanks Sho Odagiri (小田切 祥) of GMO Cybersecurity by Ierae, Inc. for reporting this vulnerability.

References

@gakigaki gakigaki published to opensource-workshop/connect-cms Mar 23, 2026
Published to the GitHub Advisory Database Mar 23, 2026
Reviewed Mar 23, 2026
Published by the National Vulnerability Database Mar 23, 2026
Last updated Mar 25, 2026

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(10th percentile)

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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. Learn more on MITRE.

CVE ID

CVE-2026-32277

GHSA ID

GHSA-cmfh-mpmf-fmq4

Source code

Credits

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