Access Restriction Bypass Affecting ghost package, versions >=4.0.0 <4.15.1 >=3.18.0 <3.42.6


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

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  • Snyk ID SNYK-JS-GHOST-1658293
  • published 24 Sep 2021
  • disclosed 23 Sep 2021
  • credit Unknown

Introduced: 23 Sep 2021

CVE NOT AVAILABLE CWE-284 Open this link in a new tab

How to fix?

Upgrade ghost to version 4.15.1, 3.42.6 or higher.

Overview

ghost is a publishing platform

Affected versions of this package are vulnerable to Access Restriction Bypass. An error in the implementation of the member email change functionality allows unauthenticated users to change the email address of arbitrary member accounts to one they control by crafting a request to the relevant API endpoint, and validating the new address via magic link sent to the new email address.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None