CVE-2012-5881: Yui2 Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-jjg9-mf63-vqrp
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CWE-79
Published
Advisory Summary

CVE-2012-5881 is a MODERATE cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Yui2 libraries in the npm ecosystem. The issue involves cross-site scripting in yui 2.4.0. Remediation is available in the latest vendor maintenance releases.

CVE-2012-5881 at a Glance

CVE Identifier CVE-2012-5881
GHSA Identifier GHSA-jjg9-mf63-vqrp
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Yui2
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2012-5881

To remediate this vulnerability, upgrade all affected Yui2 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

yui2 fixed: Latest secure release 
npm install yui2@Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls yui2

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2012-5881, inspect your project dependencies using npm:

npm ls yui2

Analyze the terminal output to locate any version of Yui2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The npm ls yui2 command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

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 Yui2, 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

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.4.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via vectors related to charts.swf, a similar issue to CVE-2010-4207.

CVE-2012-5881 Affected Yui2 Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
yui2
npm/yui2
npm
≥ 2.4.0
≤ 2.9.0

References

NVD — CVE-2012-5881 NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-5881
exchange.xforce.ibmcloud.com/vulnerabilities/801... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/80118
Yui2 Security Information SECURITY
http://www.securityfocus.com/bid/56385
Yui2 Security Information SECURITY
http://www.yuiblog.com/blog/2012/10/30/security-announcement-swf-vulnerability-in-yui-2
www.yuiblog.com/blog/2012/11/05/pos... WEB
http://www.yuiblog.com/blog/2012/11/05/post-mortem-swf-vulnerability-in-yui-2
yuilibrary.com/support/20121030-vu... WEB
http://yuilibrary.com/support/20121030-vulnerability

Frequently Asked Questions

What is CVE-2012-5881?
CVE-2012-5881 is a security vulnerability in Yui2 involving Cross-site scripting in yui 2.4.0 under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Yui2 versions are affected?
Affected versions include releases prior to current release patches across affected packages: yui2.
What version fixes CVE-2012-5881?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is yui2 affected?
Yes, yui2 is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2012-5881?
CVE-2012-5881 is classified under CWE-79: 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.).
How can I check npm dependencies for CVE-2012-5881?
Run the dependency tree command: 'npm ls yui2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-jjg9-mf63-vqrp",
  "modified" : "2024-01-09T21:54:51Z",
  "published" : "2022-05-17T01:38:30Z",
  "aliases" : [ "CVE-2012-5881" ],
  "summary" : "Cross-site scripting in yui 2.4.0",
  "details" : "Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.4.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via vectors related to charts.swf, a similar issue to CVE-2010-4207.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "yui2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.4.0"
      }, {
        "last_affected" : "2.9.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2012-5881"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/80118"
  }, {
    "type" : "WEB",
    "url" : "http://www.securityfocus.com/bid/56385"
  }, {
    "type" : "WEB",
    "url" : "http://www.yuiblog.com/blog/2012/10/30/security-announcement-swf-vulnerability-in-yui-2"
  }, {
    "type" : "WEB",
    "url" : "http://www.yuiblog.com/blog/2012/11/05/post-mortem-swf-vulnerability-in-yui-2"
  }, {
    "type" : "WEB",
    "url" : "http://yuilibrary.com/support/20121030-vulnerability"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-09T21:54:51Z",
    "nvd_published_at" : "2012-11-16T12:24:00Z"
  }
}