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CVE-2026-32278 — Vulnerability in opensource-workshop/connect-cms...

HIGH

Connect CMS has Stored Cross-site Scripting (XSS) in the File Field of its Form Plugin

Published March 23, 2026Updated March 25, 2026Source: osv

Summary

# Security Advisory — Form Plugin (Stored XSS) ## Summary A Stored Cross-site Scripting (XSS) issue exists in the file field of the Form Plugin. ## Affected Versions - 1.x series: <= 1.41.0 - 2.x series: <= 2.41.0 ## Patched Versions - 1.41.1 - 2.41.1 ## Description In the file field of the Form Plugin, Stored Cross-site Scripting (XSS) could occur. If exploited, arbitrary script could run in an administrator's browser, which may lead to unauthorized actions or information theft. 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.

Advisory Timeline

  • First published March 23, 2026 (203 days ago).
  • Last revised March 25, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update opensource-workshop/connect-cms to 1.41.1 or later
composer require "opensource-workshop/connect-cms:^1.41.1"
Composer
Update opensource-workshop/connect-cms to 2.41.1 or later
composer require "opensource-workshop/connect-cms:^2.41.1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
opensource-workshop/connect-cms
packagist
1.20.0, v0.0.1.20200106, v0.0.1.20200216, v0.0.1.20200302 (+133 more)1.41.1
opensource-workshop/connect-cms
packagist
2.30.0, v2.0.0, v2.0.2, v2.0.3 (+97 more)2.41.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-434
    Unrestricted File UploadMITRE
  • CWE-79
    Cross-site Scripting (XSS)MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.2 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

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

References

Frequently Asked Questions

What is CVE-2026-32278?
Connect CMS has Stored Cross-site Scripting (XSS) in the File Field of its Form Plugin This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.2/10).
How do I check if my project is affected by CVE-2026-32278?
CVE-2026-32278 affects opensource-workshop/connect-cms. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-32278 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.2

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-mv3p-7p89-wq9p

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