DRUPAL-CONTRIB-2020-013 The Webform module allows site builders to create forms.
A site builder can inject malicious code via webform options if raw display is enabled, leading to potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is DRUPAL-CONTRIB-2020-013?
DRUPAL-CONTRIB-2020-013 is a cross-site scripting vulnerability in drupal/webform, published on 6 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Webform module allows site builders to create forms.
The module doesn't sufficiently prevent malicious code from being render via an options elements (i.e select menu, checkboxes, radios, etc…) under the scenario where the site builder allows the raw option value to be displayed.
This vulnerability is mitigated by the fact that site builder must be allowed to build webform and select raw as the options element's submission display.
Which versions are affected by DRUPAL-CONTRIB-2020-013?
Linux distribution packages (1)
drupal/webform Packagist:https://packages.drupal.org/8 | All versions | 5.11.0 |
How do I fix DRUPAL-CONTRIB-2020-013?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is DRUPAL-CONTRIB-2020-013 being exploited?
There is no known exploitation of DRUPAL-CONTRIB-2020-013 in the wild and no public exploit code.