Cross-site request forgery (CSRF) vulnerability in The Address Book 1.04e allows remote attackers to perform unauthorized actions as other users via unspecified vectors, as demonstrated by deleting arbitrary users via the id parameter in a deleteuser action in users.php.

Multiple SQL injection vulnerabilities in The Address Book 1.04e allow remote attackers to execute arbitrary SQL commands via the (1) lastname, (2) firstname, (3) passwordOld, (4) passwordNew, (5) id, (6) language, (7) defaultLetter, (8) newuserPass, (9) newuserType, (10) newuserEmail parameters in (a) user.php; the (11) goTo and (12) search parameters in (b) search.php; and the (13) groupAddName parameter in (c) save.php.

Cross-site scripting (XSS) vulnerability in The Address Book 1.04e allows remote attackers to inject arbitrary web script or HTML by uploading the HTML file with a GIF or JPG extension, which is rendered by Internet Explorer.

Multiple cross-site scripting (XSS) vulnerabilities in The Address Book 1.04e allow remote attackers to inject arbitrary web script or HTML via Javascript events in the (1) email, (2) websites, and (3) groupAddName parameters in (a) save.php; the (4) errorMsg parameter in (b) index.php; and the (5) goTo and (6) search parameters in (c) search.php.

export.php in The Address Book 1.04e writes username and password hash information into a publicly accessible file when dumping the MySQL database contents, which allows remote attackers to obtain sensitive information.

Directory traversal vulnerability in users.php in The Address Book 1.04e allows remote attackers to include arbitrary files via a .. (dot dot) in the language parameter.

register.php in The Address Book 1.04e allows remote attackers to bypass the "Allow User Self-Registration" setting and create arbitrary users by setting the mode parameter to "confirm".

Unrestricted file upload vulnerability in The Address Book 1.04e validates the Content-Type header but not the file extension, which allows remote attackers to upload arbitrary PHP scripts.

Multiple SQL injection vulnerabilities in the authentication process in katzlbt (a) The Address Book 1.04e and earlier and (b) The Address Book Reloaded before 2.0-rc4 allow remote attackers to execute arbitrary SQL commands via the (1) username or (2) password parameters. NOTE: portions of these details are obtained from third party information.