Improper Input Validation Affecting twig/twig package, versions >=2.1.0, <2.14.11 >=3.0.1, <3.3.8


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    1.91% (89th percentile)

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  • Snyk ID SNYK-PHP-TWIGTWIG-2395370
  • published 6 Feb 2022
  • disclosed 6 Feb 2022
  • credit Marlon Starkloff

How to fix?

Upgrade twig/twig to version 2.14.11, 3.3.8 or higher.

Overview

twig/twig is a flexible, fast, and secure template language for PHP.

Affected versions of this package are vulnerable to Improper Input Validation via the arrow parameter of the sort filter that is not properly enforced. Attackers can abuse this in order to run arbitrary PHP code.

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.8 critical