CVE-2019-10909: Symfony Cross-site Scripting (XSS) vulnerability

CVE-2019-10909 · Severity: low · CVSS 3.1 · Published 2019-11-12

Symfony Cross-site Scripting (XSS) vulnerability

Technologies: drupal/core (Packagist), drupal/drupal (Packagist), symfony/framework-bundle (Packagist), symfony/symfony (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2019-10909 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-10909 being exploited in the wild.
How severe is CVE-2019-10909?
Low severity, with a CVSS score of 3.1, published 12 November 2019.
Which products and versions are affected?
drupal/core (Packagist) ECOSYSTEM:introduced=8.0.0,fixed=8.5.15; drupal/drupal (Packagist) ECOSYSTEM:introduced=8.0.0,fixed=8.5.15; symfony/framework-bundle (Packagist) ECOSYSTEM:introduced=2.7.0,fixed=2.7.51; symfony/symfony (Packagist) ECOSYSTEM:introduced=2.7.0,fixed=2.7.51.
Is there a fix for CVE-2019-10909?
Yes. drupal/core (Packagist): upgrade to 8.5.15 or later; drupal/drupal (Packagist): upgrade to 8.5.15 or later; symfony/framework-bundle (Packagist): upgrade to 2.7.51 or later; symfony/symfony (Packagist): upgrade to 2.7.51 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-10909?
Check whether you run drupal/core (Packagist), drupal/drupal (Packagist), symfony/framework-bundle (Packagist) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • drupal/core (Packagist): upgrade to 8.5.15 or later
    composer require drupal/core:^8.5.15
  • drupal/drupal (Packagist): upgrade to 8.5.15 or later
    composer require drupal/drupal:^8.5.15
  • symfony/framework-bundle (Packagist): upgrade to 2.7.51 or later
    composer require symfony/framework-bundle:^2.7.51
  • symfony/symfony (Packagist): upgrade to 2.7.51 or later
    composer require symfony/symfony:^2.7.51

Affected products

  • drupal/core (Packagist) ECOSYSTEM:introduced=8.0.0,fixed=8.5.15
  • drupal/drupal (Packagist) ECOSYSTEM:introduced=8.0.0,fixed=8.5.15
  • symfony/framework-bundle (Packagist) ECOSYSTEM:introduced=2.7.0,fixed=2.7.51
  • symfony/symfony (Packagist) ECOSYSTEM:introduced=2.7.0,fixed=2.7.51

Identifiers

  • CVE-2019-10909
  • GHSA-g996-q5r8-w7g2

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