Arbitrary Code Execution Affecting phpmailer/phpmailer package, versions <5.2.10


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    86.21% (99th percentile)

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  • Snyk ID SNYK-PHP-PHPMAILERPHPMAILER-2980400
  • published 15 Aug 2022
  • disclosed 14 May 2022
  • credit Unknown

How to fix?

Upgrade phpmailer/phpmailer to version 5.2.10 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Execution via html2text.php of Chuggnutt HTML to Text Converter. Exploiting this vulnerability is possible via a crafted input that is processed by the preg_replace function with the eval switch.

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.8 critical