CVE-2018-18260: Camaleon cms Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-7f84-9cqf-g4j9
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2018-18260 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Camaleon cms libraries in the RubyGems ecosystem. The issue involves camaleon cms vulnerable to stored cross-site scripting. Remediation is available in the latest vendor maintenance releases.

CVE-2018-18260 at a Glance

CVE Identifier CVE-2018-18260
GHSA Identifier GHSA-7f84-9cqf-g4j9
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Camaleon cms
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2018-18260

To remediate this vulnerability, upgrade all affected Camaleon 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.

camaleon_cms fixed: Latest secure release 
Upgrade camaleon_cms to 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: 

inspect dependencies for camaleon_cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-18260, inspect your project dependencies for Camaleon cms:

inspect dependencies for camaleon_cms

Analyze the terminal output to locate any version of Camaleon cms 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: 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 Camaleon 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

In the 2.4 version of Camaleon CMS, Stored XSS has been discovered. The profile image in the User settings section can be run in the update / upload area via `/admin/media/upload?actions=false`.

CVE-2018-18260 Affected Camaleon cms Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
camaleon_cms
gem/camaleon_cms
RubyGems
2.4
All 1 versions
2.4
None specified

References

NVD — CVE-2018-18260 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18260
Camaleon cms Source Repository REPOSITORY
https://github.com/owen2345/camaleon-cms
Camaleon cms Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2018-18260.yml
Camaleon cms Security Information SECURITY
http://packetstormsecurity.com/files/149772/CAMALEON-CMS-2.4-Cross-Site-Scripting.html

Frequently Asked Questions

What is CVE-2018-18260?
CVE-2018-18260 is a security vulnerability in Camaleon cms involving Camaleon CMS vulnerable to Stored Cross-site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Camaleon cms versions are affected?
Affected versions include releases prior to current release patches across affected packages: camaleon_cms.
What version fixes CVE-2018-18260?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is camaleon_cms affected?
Yes, camaleon_cms is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2018-18260?
CVE-2018-18260 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2018-18260?
CVE-2018-18260 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 RubyGems dependencies for CVE-2018-18260?
Run the dependency tree command: 'inspect dependencies for camaleon_cms'. 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-7f84-9cqf-g4j9",
  "modified" : "2023-01-24T16:02:02Z",
  "published" : "2022-05-13T01:05:37Z",
  "aliases" : [ "CVE-2018-18260" ],
  "summary" : "Camaleon CMS vulnerable to Stored Cross-site Scripting",
  "details" : "In the 2.4 version of Camaleon CMS, Stored XSS has been discovered. The profile image in the User settings section can be run in the update / upload area via `/admin/media/upload?actions=false`.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "camaleon_cms"
    },
    "versions" : [ "2.4" ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-18260"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/owen2345/camaleon-cms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2018-18260.yml"
  }, {
    "type" : "WEB",
    "url" : "http://packetstormsecurity.com/files/149772/CAMALEON-CMS-2.4-Cross-Site-Scripting.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-24T16:02:02Z",
    "nvd_published_at" : "2018-10-15T19:29:00Z"
  }
}