CVE-2023-52084: Winter/wn backend module Cross-Site Scripting Vulnerability
LOWCVE-2023-52084 is a LOW (CVSS 2.0) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Winter/wn backend module libraries in the Packagist ecosystem. The issue involves winter cms stored xss through backend colorpicker formwidget. Remediation is available by upgrading affected packages to version 1.2.4.
CVE-2023-52084 at a Glance
Security Impact
CVSS: 2.0
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N).
How to Fix CVE-2023-52084
To remediate this vulnerability, upgrade all affected Winter/wn backend module 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 winter/wn-backend-module to 1.2.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for winter/wn-backend-moduleHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-52084, inspect your project dependencies for Winter/wn backend module:
inspect dependencies for winter/wn-backend-moduleAnalyze the terminal output to locate any version of Winter/wn backend module in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.2.4), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where 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. In Winter/wn backend module, 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-2023-52084 Affected Winter/wn backend module Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
winter/wn-backend-module
|
Packagist |
< 1.2.4
|
1.2.4
|
References
Frequently Asked Questions
What is CVE-2023-52084?
Which Winter/wn backend module versions are affected?
What version fixes CVE-2023-52084?
Is winter/wn-backend-module affected?
What is the CVSS score of CVE-2023-52084?
What CWE is associated with CVE-2023-52084?
How can I check Packagist dependencies for CVE-2023-52084?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-43w4-4j3c-jx29",
"modified" : "2024-01-02T14:10:43Z",
"published" : "2023-12-28T22:32:52Z",
"aliases" : [ "CVE-2023-52084" ],
"summary" : "Winter CMS Stored XSS through Backend ColorPicker FormWidget",
"details" : "### Impact\nUsers with access to backend forms that include a [ColorPicker FormWidget](https://wintercms.com/docs/v1.2/docs/backend/forms#color-picker) can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack.\n\nBy default, only the Brand Settings (`backend.manage_branding`) and Mail Brand Settings (`system.manage_mail_templates`) forms include the `colorpicker` formwidget, however it is also common for theme's to include it on their Theme Customization (`cms.manage_theme_options`) form.\n\nAlthough this was a security issue, it's important to note that its severity is relatively low. To exploit the vulnerability, an attacker would already need to have trusted access to the Winter CMS backend and they would then need to convince a user with higher privileges than them to visit an affected Form in the backend.\n\nThese two factors limit the potential harm of this vulnerability. That being said, all users are advised to update to the latest version (1.2.4) to ensure their systems remain secure.\n\n### Patches\nThis issue has been patched in v1.2.4.\n\n### Workarounds\nApply https://github.com/wintercms/winter/commit/517f65dfae679b57575b047de13c5af48915a5ba manually if unable to upgrade to v1.2.4.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "winter/wn-backend-module"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.2.4"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/wintercms/winter/security/advisories/GHSA-43w4-4j3c-jx29"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-52084"
}, {
"type" : "WEB",
"url" : "https://github.com/wintercms/winter/commit/517f65dfae679b57575b047de13c5af48915a5ba"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/wintercms/winter"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-79" ],
"severity" : "LOW",
"github_reviewed" : true,
"github_reviewed_at" : "2023-12-28T22:32:52Z",
"nvd_published_at" : "2023-12-28T23:15:43Z"
}
}