The installation procedure for Invision Board suggests that users install the phpinfo.php program under the web root, which leaks sensitive information such as absolute pathnames, OS information, and PHP settings.

Invision Power Services Invision Board 1.0 through 1.1.1, when a forum is password protected, stores the administrator password in a cookie in plaintext, which could allow remote attackers to gain access.

SQL injection vulnerability in search.php for Invision Board Forum allows remote attackers to execute arbitrary SQL queries via the st parameter.

Invision Power Board 1.3 Final allows remote attackers to gain sensitive information by selecting a file for "Personal Photo" that is not an image file, which displays the installation path in an error message.

Cross-site scripting (XSS) vulnerability in index.php for Invision Power Board 1.3 final allows remote attackers to execute arbitrary script as other users via the (1) c, (2) f, (3) showtopic, (4) showuser, or (5) username parameters.

SQL injection vulnerability in post.php in Invision Power Board (IPB) 2.0.0 through 2.0.2 allows remote attackers to execute arbitrary SQL commands via the qpid parameter.

SQL injection vulnerability in calendar.php for Invision Power Board 1.3 allows remote attackers to execute arbitrary SQL commands via the m parameter, which sets the $this->chosen_month variable.

Cross-site scripting (XSS) vulnerability in Invision Power Board 2.0.2 and earlier allows remote attackers to inject arbitrary web script or HTML via an HTTP POST request.

SQL injection vulnerability in index.php in Invision Power Board 1.3.1 Final and earlier allows remote attackers to execute arbitrary SQL commands via the st parameter.

Cross-site scripting (XSS) vulnerability in (1) search.php and (2) topics.php for Invision Power Board (IPB) 2.0.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the highlite parameter.

SQL injection vulnerability in Invision Power Board (IPB) 2.0.3 and earlier allows remote attackers to execute arbitrary SQL commands via a crafted cookie password hash (pass_hash) that modifies the internal $pid variable.

Invision Power Board (IPB) 1.0 through 2.0.4 allows non-root admins to add themselves or other users to the root admin group via the "Move users in this group to" screen.

Invision Power Board (IPB) 1.0 through 1.3 allows remote attackers to edit arbitrary forum posts via a direct request to index.php with modified parameters.

Invision Power Board (IPB) 1.0.3 allows remote attackers to inject arbitrary web script or HTML via an attachment, which is automatically downloaded and processed as HTML.

Cross-site scripting (XSS) vulnerability in Invision Power Board 2.1 allows remote attackers to inject arbitrary web script or HTML via the (1) adsess, (2) name, and (3) description parameters in admin.php, and the (4) ACP Notes, (5) Member Name, (6) Password, (7) Email Address, (8) Components, and multiple other input fields.

Directory traversal vulnerability in Task Manager in Invision Power Board (IP.Board) 2.0.1 allows limited remote attackers to include files via a .. (dot dot) in the "Task PHP File To Run" field.

Direct code injection vulnerability in Task Manager in Invision Power Board 2.0.1 allows limited remote attackers to execute arbitrary code by referencing the file in "Task PHP File To Run" field and selecting "Run Task Now".

SQL injection vulnerability in lib/func_taskmanager.php in Invision Power Board (IPB) 2.1.x and 2.0.x before 20060425 allows remote attackers to execute arbitrary SQL commands via the ck parameter, which can inject at most 32 characters.

Multiple SQL injection vulnerabilities in Invision Power Board (IPB) 1.3 Final allow remote attackers to execute arbitrary SQL commands via the CODE parameter in a (1) Stats, (2) Mail, and (3) Reg action in index.php. NOTE: the developer has disputed this issue, stating that "At no point does the CODE parameter touch the database. The CODE parameter is used in a SWITCH statement to determine which function to run.