CVE-2026-32278: Opensource workshop/connect cms Cross-Site Scripting Vulnerability
HIGHCVE-2026-32278 is a HIGH (CVSS 8.2) cross-site scripting vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Opensource workshop/connect cms libraries in the Packagist ecosystem. The issue involves connect cms has stored cross-site scripting (xss) in the file field of its form plugin. Remediation is available by upgrading affected packages to version 1.41.1, 2.41.1.
CVE-2026-32278 at a Glance
Security Impact
CVSS: 8.2
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L).
How to Fix CVE-2026-32278
To remediate this vulnerability, upgrade all affected Opensource workshop/connect cms dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade opensource-workshop/connect-cms to 1.41.1Upgrade opensource-workshop/connect-cms to 2.41.1Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for opensource-workshop/connect-cmsHow to Check if You Are Affected
To determine whether your application is affected by CVE-2026-32278, inspect your project dependencies for Opensource workshop/connect cms:
inspect dependencies for opensource-workshop/connect-cmsAnalyze the terminal output to locate any version of Opensource workshop/connect cms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.41.1), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Opensource workshop/connect cms, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-32278 Affected Opensource workshop/connect cms Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
opensource-workshop/connect-cms
|
Packagist |
< 1.41.1
|
1.41.1
|
|
opensource-workshop/connect-cms
|
Packagist |
≥ 2.0.0
< 2.41.1
|
2.41.1
|
References
Frequently Asked Questions
What is CVE-2026-32278?
Which Opensource workshop/connect cms versions are affected?
What version fixes CVE-2026-32278?
Is opensource-workshop/connect-cms affected?
What is the CVSS score of CVE-2026-32278?
What CWE is associated with CVE-2026-32278?
How can I check Packagist dependencies for CVE-2026-32278?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-mv3p-7p89-wq9p",
"modified" : "2026-03-25T20:45:21Z",
"published" : "2026-03-23T20:36:15Z",
"aliases" : [ "CVE-2026-32278" ],
"summary" : "Connect CMS has Stored Cross-site Scripting (XSS) in the File Field of its Form Plugin",
"details" : "# Security Advisory — Form Plugin (Stored XSS)\n\n## Summary\n\nA Stored Cross-site Scripting (XSS) issue exists in the file field of the Form Plugin.\n\n## Affected Versions\n\n- 1.x series: <= 1.41.0\n- 2.x series: <= 2.41.0\n\n## Patched Versions\n\n- 1.41.1\n- 2.41.1\n\n## Description\n\nIn 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.\n\n## Solution\n\nUpdate to the fixed version.\nFor the 1.x series, update to 1.41.1 or later.\nFor the 2.x series, update to 2.41.1 or later.\n\n## Credits\n\nOpenSource WorkShop thanks **Sho Odagiri** (小田切 祥) of **GMO Cybersecurity by Ierae, Inc.** for reporting this vulnerability.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "opensource-workshop/connect-cms"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.41.1"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "<= 1.41.0"
}
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "opensource-workshop/connect-cms"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.0.0"
}, {
"fixed" : "2.41.1"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "<= 2.41.0"
}
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/security/advisories/GHSA-mv3p-7p89-wq9p"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32278"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/commit/9d87fe8ecf7f57efbb0e5231be058807734c96b3"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/opensource-workshop/connect-cms"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/releases/tag/v1.41.1"
}, {
"type" : "WEB",
"url" : "https://github.com/opensource-workshop/connect-cms/releases/tag/v2.41.1"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-434", "CWE-79" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-03-23T20:36:15Z",
"nvd_published_at" : "2026-03-23T22:16:27Z"
}
}