CVE-2008-5656: Typo3/cms felogin Cross-Site Scripting Vulnerability

LOW
Advisory Identifier: GHSA-xvx2-wqf5-jjgv
Share
CWE-79
Published
Advisory Summary

CVE-2008-5656 is a LOW cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Typo3/cms felogin libraries in the Packagist ecosystem. The issue involves typo3/cms-felogin cross-site scripting vulnerability. Remediation is available by upgrading affected packages to version 4.2.3.

CVE-2008-5656 at a Glance

CVE Identifier CVE-2008-5656
GHSA Identifier GHSA-xvx2-wqf5-jjgv
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Typo3/cms felogin
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2008-5656

To remediate this vulnerability, upgrade all affected Typo3/cms felogin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

typo3/cms-felogin fixed: 4.2.3 
Upgrade typo3/cms-felogin to 4.2.3
Verify Direct and Transitive Dependencies

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

inspect dependencies for typo3/cms-felogin

How to Check if You Are Affected

To determine whether your application is affected by CVE-2008-5656, inspect your project dependencies for Typo3/cms felogin:

inspect dependencies for typo3/cms-felogin

Analyze the terminal output to locate any version of Typo3/cms felogin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.2.3), 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 Typo3/cms felogin, 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 frontend plugin for the felogin system extension in TYPO3 4.2.0, 4.2.1 and 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

CVE-2008-5656 Affected Typo3/cms felogin Versions

1 component(s)
Fixed Versions:
4.2.3
Product / Package Ecosystem Affected Versions Fixed Version
typo3/cms-felogin
 Packagist
≥ 4.2.0
< 4.2.3
4.2.3

References

NVD — CVE-2008-5656 NVD
https://nvd.nist.gov/vuln/detail/CVE-2008-5656
exchange.xforce.ibmcloud.com/vulnerabilities/465... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/46591
Typo3/cms felogin Source Repository REPOSITORY
https://github.com/TYPO3-CMS/felogin
Typo3/cms felogin Security Information SECURITY
https://web.archive.org/web/20090701000000*/http://typo3.org/teams/security/security-bulletins/typo3-20081113-2
Typo3/cms felogin Security Information SECURITY
https://web.archive.org/web/20210214231108/https://www.securityfocus.com/bid/32284

Frequently Asked Questions

What is CVE-2008-5656?
CVE-2008-5656 is a security vulnerability in Typo3/cms felogin involving typo3/cms-felogin Cross-site Scripting vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Typo3/cms felogin versions are affected?
Affected versions include releases prior to 4.2.3 across affected packages: typo3/cms-felogin.
What version fixes CVE-2008-5656?
Upgrading to 4.2.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is typo3/cms-felogin affected?
Yes, typo3/cms-felogin is affected in releases prior to 4.2.3. Upgrade your dependency to 4.2.3 or later.
What CWE is associated with CVE-2008-5656?
CVE-2008-5656 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 Packagist dependencies for CVE-2008-5656?
Run the dependency tree command: 'inspect dependencies for typo3/cms-felogin'. 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-xvx2-wqf5-jjgv",
  "modified" : "2025-04-09T21:14:18Z",
  "published" : "2022-05-17T02:17:20Z",
  "aliases" : [ "CVE-2008-5656" ],
  "summary" : "typo3/cms-felogin Cross-site Scripting vulnerability",
  "details" : "Cross-site scripting (XSS) vulnerability in the frontend plugin for the felogin system extension in TYPO3 4.2.0, 4.2.1 and 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-felogin"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.2.0"
      }, {
        "fixed" : "4.2.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2008-5656"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/46591"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/TYPO3-CMS/felogin"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20090701000000*/http://typo3.org/teams/security/security-bulletins/typo3-20081113-2"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20210214231108/https://www.securityfocus.com/bid/32284"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-04-09T21:14:18Z",
    "nvd_published_at" : "2008-12-17T20:30:00Z"
  }
}