The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Python (in pybluemonday), does not properly enforce policies associated with the SELECT, STYLE, and OPTION elements.

bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.

Compaq/Microcom 6000 Access Integrator does not cause a session timeout after prompting for a username or password, which allows remote attackers to cause a denial of service by connecting to the integrator without providing a username or password.