DRUPAL-CORE-2023-004 Drupal core provides a page that outputs the markup from `phpinfo()` to assist with diagnosing PHP configuration.
An attacker with XSS access to a privileged user can exploit the phpinfo page to disclose sensitive configuration data, aiding privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is DRUPAL-CORE-2023-004?
DRUPAL-CORE-2023-004 is a vulnerability in drupal/core, published on 15 Mar 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Drupal core provides a page that outputs the markup from phpinfo() to assist with diagnosing PHP configuration.
If an attacker was able to achieve an XSS exploit against a privileged user, they may be able to use the phpinfo page to access sensitive information that could be used to escalate the attack.
This vulnerability is mitigated by the fact that a successful XSS exploit is required in order to exploit it.
Which versions are affected by DRUPAL-CORE-2023-004?
1 open source package ship an affected version, including drupal/core.
| Package | Affected | Fixed in |
|---|---|---|
drupal/core Packagist | From 8.0.0 | 9.4.12, 9.5.5, 10.0.5 |
How do I fix DRUPAL-CORE-2023-004?
Upgrade drupal/core to a fixed version for your release line: 9.4.12, 9.5.5 or 10.0.5.
Is DRUPAL-CORE-2023-004 being exploited?
There is no known exploitation of DRUPAL-CORE-2023-004 in the wild and no public exploit code.