Exposure of Sensitive Information to an Unauthorized Actor
libraries/select_lang.lib.php in phpMyAdmin 4.0.x before 126.96.36.199, 4.2.x before 188.8.131.52, and 4.3.x before 184.108.40.206 includes invalid language values in unknown-language error responses that contain a CSRF token and may be sent with HTTP compression, which makes it easier for remote attackers to conduct a BREACH attack and determine this token via a series of crafted requests.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.