CVE-2019-14315: Sunhater/kcfinder Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-vwh5-78jc-hpjx
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2019-14315 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Sunhater/kcfinder libraries in the Packagist ecosystem. The issue involves sunhater kcfinder cross-site scripting (xss) vulnerability in upload.php. Remediation is available in the latest vendor maintenance releases.

CVE-2019-14315 at a Glance

CVE Identifier CVE-2019-14315
GHSA Identifier GHSA-vwh5-78jc-hpjx
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 Sunhater/kcfinder
Package Ecosystem Packagist
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:3.1/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-2019-14315

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

sunhater/kcfinder fixed: Latest secure release 
Upgrade sunhater/kcfinder 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 sunhater/kcfinder

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-14315, inspect your project dependencies for Sunhater/kcfinder:

inspect dependencies for sunhater/kcfinder

Analyze the terminal output to locate any version of Sunhater/kcfinder 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 Sunhater/kcfinder, 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

A cross-site scripting (XSS) vulnerability in upload.php in SunHater KCFinder 3.20-test1, 3.20-test2, 3.12, and earlier allows remote attackers to inject arbitrary web script or HTML via the CKEditorFuncNum parameter.

CVE-2019-14315 Affected Sunhater/kcfinder Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
sunhater/kcfinder
 Packagist
≤ 3.20-test2

References

NVD — CVE-2019-14315 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14315
Sunhater/kcfinder Source Repository REPOSITORY
https://github.com/sunhater/kcfinder/issues/180
Sunhater/kcfinder Source Repository REPOSITORY
https://github.com/sunhater/kcfinder/pull/186
Sunhater/kcfinder Source Repository REPOSITORY
https://github.com/sunhater/kcfinder

Frequently Asked Questions

What is CVE-2019-14315?
CVE-2019-14315 is a security vulnerability in Sunhater/kcfinder involving SunHater KCFinder cross-site scripting (XSS) vulnerability in upload.php under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Sunhater/kcfinder versions are affected?
Affected versions include releases prior to current release patches across affected packages: sunhater/kcfinder.
What version fixes CVE-2019-14315?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is sunhater/kcfinder affected?
Yes, sunhater/kcfinder 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-2019-14315?
CVE-2019-14315 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2019-14315?
CVE-2019-14315 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-2019-14315?
Run the dependency tree command: 'inspect dependencies for sunhater/kcfinder'. 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-vwh5-78jc-hpjx",
  "modified" : "2024-04-24T22:03:00Z",
  "published" : "2022-05-24T16:51:33Z",
  "aliases" : [ "CVE-2019-14315" ],
  "summary" : "SunHater KCFinder cross-site scripting (XSS) vulnerability in upload.php",
  "details" : "A cross-site scripting (XSS) vulnerability in upload.php in SunHater KCFinder 3.20-test1, 3.20-test2, 3.12, and earlier allows remote attackers to inject arbitrary web script or HTML via the CKEditorFuncNum parameter.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "sunhater/kcfinder"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "3.20-test2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-14315"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sunhater/kcfinder/issues/180"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sunhater/kcfinder/pull/186"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/sunhater/kcfinder"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T22:03:00Z",
    "nvd_published_at" : "2019-07-28T01:15:00Z"
  }
}