CVE-2017-6215: Paypal/permissions sdk php Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-2qfv-wwfx-fh34
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CVSS 5.4
CWE-79
Published
Advisory Summary

CVE-2017-6215 is a MODERATE (CVSS 5.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Paypal/permissions sdk php libraries in the Packagist ecosystem. The issue involves paypal/permissions-sdk-php reflected cross-site scripting (xss). Remediation is available in the latest vendor maintenance releases.

CVE-2017-6215 at a Glance

CVE Identifier CVE-2017-6215
GHSA Identifier GHSA-2qfv-wwfx-fh34
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Paypal/permissions sdk php
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
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-2017-6215

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

paypal/permissions-sdk-php fixed: Latest secure release 
Upgrade paypal/permissions-sdk-php 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 paypal/permissions-sdk-php

How to Check if You Are Affected

To determine whether your application is affected by CVE-2017-6215, inspect your project dependencies for Paypal/permissions sdk php:

inspect dependencies for paypal/permissions-sdk-php

Analyze the terminal output to locate any version of Paypal/permissions sdk php 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 Paypal/permissions sdk php, 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

paypal/permissions-sdk-php is vulnerable to reflected XSS in the samples/GetAccessToken.php verification_code parameter, resulting in code execution.

CVE-2017-6215 Affected Paypal/permissions sdk php Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
paypal/permissions-sdk-php
 Packagist
≤ 3.9.1

References

NVD — CVE-2017-6215 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6215
Paypal/permissions sdk php Source Repository REPOSITORY
https://github.com/paypal/permissions-sdk-php/issues/19
Security Fix Commit FIX COMMIT
https://github.com/paypal/permissions-sdk-php/commit/a897893d467ca50b9b024b21bd8072ceb3bf2cf8
Paypal/permissions sdk php Source Repository REPOSITORY
https://github.com/paypal/permissions-sdk-php

Frequently Asked Questions

What is CVE-2017-6215?
CVE-2017-6215 is a security vulnerability in Paypal/permissions sdk php involving paypal/permissions-sdk-php reflected Cross-site Scripting (XSS) under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Paypal/permissions sdk php versions are affected?
Affected versions include releases prior to current release patches across affected packages: paypal/permissions-sdk-php.
What version fixes CVE-2017-6215?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is paypal/permissions-sdk-php affected?
Yes, paypal/permissions-sdk-php 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-2017-6215?
CVE-2017-6215 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2017-6215?
CVE-2017-6215 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-2017-6215?
Run the dependency tree command: 'inspect dependencies for paypal/permissions-sdk-php'. 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-2qfv-wwfx-fh34",
  "modified" : "2024-04-25T21:34:11Z",
  "published" : "2022-05-14T02:58:18Z",
  "aliases" : [ "CVE-2017-6215" ],
  "summary" : "paypal/permissions-sdk-php reflected Cross-site Scripting (XSS)",
  "details" : "paypal/permissions-sdk-php is vulnerable to reflected XSS in the samples/GetAccessToken.php verification_code parameter, resulting in code execution.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "paypal/permissions-sdk-php"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "3.9.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-6215"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/paypal/permissions-sdk-php/issues/19"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/paypal/permissions-sdk-php/commit/a897893d467ca50b9b024b21bd8072ceb3bf2cf8"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/paypal/permissions-sdk-php"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-25T21:34:11Z",
    "nvd_published_at" : "2018-08-02T21:29:00Z"
  }
}