DRUPAL-CORE-2023-003

The language module provides a Language switcher block which can be placed to provide links to quickly switch between different languages.

Not rated yet Packagist

Severity: Not rated yet; No source has published a CVSS score yet
Exploit chance (EPSS): —; No score published
Known exploited: No; Not in CISA's catalog
Weakness: —; Not classified
Fix: 10.0.5; Upgrade drupal/core to this version or later

Description

The URL of unpublished translations may be disclosed. When used in conjunction with a module like Pathauto, this may reveal the title of unpublished content.

This advisory is not covered by Drupal Steward.

Affected versions

Packagist

Package	Vulnerable	Fixed in
drupal/core	`>= 8.0.0, < 9.4.12` `>= 9.5.0, < 9.5.5` `>= 10.0.0, < 10.0.5`	`9.4.12` `9.5.5` `10.0.5`

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

drupal/core Packagist → `10.0.5`

composer

composer require drupal/core:^10.0.5

References

Timeline

Mar 15, 2023 Published
Sep 19, 2026 Last updated by the source

Advisory	Severity	Why it's related
DRUPAL-CORE-2026-004 Drupal Core has a SQL Injection issue	Critical Known exploited	Also affects drupal/core
CVE-2020-28949 Multiple vulnerabilities through filename manipulation in Archive_Tar	High Known exploited	Also affects drupal/core
CVE-2020-13671 Drupal core Unrestricted Upload of File with Dangerous Type	High Known exploited	Also affects drupal/core
CVE-2019-6340 Drupal Core Remote Code Execution Vulnerability	High Known exploited	Also affects drupal/core
CVE-2018-7602 Drupal Core Remote Code Execution Vulnerability	Critical Known exploited	Also affects drupal/core
CVE-2018-7600 Drupal Core Remote Code Execution Vulnerability	Critical Known exploited	Also affects drupal/core
DRUPAL-CORE-2026-016 The Navigation module doesn't sufficiently sanitize certain attributes, which can lead to a cross-site scripting (XSS) vulnerability.	Not rated yet	Also affects drupal/core
DRUPAL-CORE-2026-015 The Drupal core Link module provides a field type that can be used for internal and external URLs.	Not rated yet	Also affects drupal/core

Credits: Jan Kellermann

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