Description
Drupal core 7.x versions before 7.57 has an external link injection vulnerability when the language switcher block is used. A similar vulnerability exists in various custom and contributed modules. This vulnerability could allow an attacker to trick users into unwillingly navigating to an external site.
Remediation
References
Related Vulnerabilities
Craft CMS Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2021-27903)
XWiki Improper Restriction of Excessive Authentication Attempts Vulnerability (CVE-2023-26476)
MySQL Uncontrolled Resource Consumption Vulnerability (CVE-2025-50088)
WordPress Plugin UpdraftPlus WordPress Backup Security Bypass (1.22.1)