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Arbitrary Code Execution Affecting johnpbloch/wordpress-core package, versions <4.9.9 >=5.0.0, <5.0.1

Severity

 Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    94.33% (100th percentile)

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  • Snyk ID SNYK-PHP-JOHNPBLOCHWORDPRESSCORE-173727
  • published 20 Feb 2019
  • disclosed 20 Feb 2019
  • credit Unknown
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Introduced: 20 Feb 2019

CVE-2019-8942 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade johnpbloch/wordpress-core to version 4.9.9, 5.0.1 or higher.

Overview

johnpbloch/wordpress-core is a web software you can use to create a website or blog.

Affected versions of this package are vulnerable to Arbitrary Code Execution via the _wp_attached_file Post Meta entry. An attacker with author privileges could execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.3 high
  • 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)
    Low