Multiple cross-site scripting (XSS) vulnerabilities in vBulletin before 3.0.9 allow remote attackers to inject arbitrary web script or HTML via the (1) group parameter to css.php, (2) redirect parameter to index.php, (3) email parameter to user.php, (4) goto parameter to language.php, (5) orderby parameter to modlog.php, and the (6) hex, (7) rgb, or (8) expandset parameter to template.php.

image.php in vBulletin 3.0.9 and earlier allows remote attackers with access to the administrator panel to upload arbitrary files via the upload action.

Multiple SQL injection vulnerabilities in vBulletin 3.0.9 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) announcement parameter to announcement.php, (2) userid parameter to user.php, (3) calendar parameter to admincalendar.php, (4) cronid parameter to cronlog.php, (5) usergroupid parameter to email.php, (6) help parameter to help.php, (7) rvt parameter to language.php, (8) keep parameter to phrase.php, or (9) updateprofilepic parameter to usertools.php.

Multiple cross-site scripting (XSS) vulnerabilities in vBulletin 3.0.9 and earlier allow remote attackers to inject arbitrary web script or HTML via certain arguments to (1) announcement.php, (2) admincalendar.php, (3) bbcode.php, (4) cronadmin.php, (5) email.php, (6) faq.php, (7) forum.php, (8) image.php, (9) language.php, (10) ranks.php, (11) replacement.php, (12) replacement.php, (13) template.php, (14) template.php, (15) usergroup.php, or (16) usertitle.php.

Multiple SQL injection vulnerabilities in vBulletin 3.0.7 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) announcement parameter to announcement.php, the (2) thread[forumid] or (3) criteria parameters to thread.php, (4) userid parameter to user.php, the (5) calendarcustomfieldid, (6) calendarid, (7) moderatorid, (8) holidayid, (9) calendarmoderatorid, or (10) calendar[0] parameters to admincalendar.php, (11) the cronid parameter to cronlog.php, (12) user[usergroupid][0] parameter to email.php, (13) help[0] parameter to help.php, the (14) limitnumber or (15) limitstart parameter to user.php, the (16) usertitleid or (17) ids parameters to usertitle.php, (18) rvt[0] parameter to language.php, (19) keep[0] parameter to phrase.php, (20) dostyleid parameter to template.php, (21) thread[forumid] parameter to thread.php, or (22) usertools.php.

Multiple cross-site scripting (XSS) vulnerabilities in vBulletin 3.0.7 and earlier allow remote attackers to inject arbitrary web script or HTML via the loc parameter to (1) modcp/index.php or (2) admincp/index.php, or the ip parameter to (3) modcp/user.php or (4) admincp/usertitle.php.

Cross-site scripting (XSS) vulnerability in the editavatar page in vBulletin 3.5.1 allows remote attackers to inject arbitrary web script or HTML via a URL in the remote avatar url field, in which the URL generates a parsing error, and possibly requiring a trailing extension such as .jpg.

Cross-site scripting (XSS) vulnerability in vBulletin 3.5.2, and possibly earlier versions, allows remote attackers to inject arbitrary web script or HTML via the title of an event, which is not properly filtered by (1) calendar.php and (2) reminder.php.

Cross-site scripting (XSS) vulnerability in vBulletin 3.0.12 and 3.5.3 allows remote attackers to inject arbitrary web script or HTML via the email field, which is injected in profile.php but not sanitized in sendmsg.php.

PHP remote file inclusion vulnerability in VBulletin 3.5.1, 3.5.2, and 3.5.4 allows remote attackers to execute arbitrary code via a URL in the systempath parameter to (1) ImpExModule.php, (2) ImpExController.php, and (3) ImpExDisplay.php.

SQL injection vulnerability in calendar.php in vBulletin 3.0.x allows remote attackers to execute arbitrary SQL commands via the eventid parameter. NOTE: the affected version has been disputed by the vendor. It appears that this is the same issue as CVE-2004-0036, which was fixed in 2.3.4.

Jelsoft vBulletin accepts uploads of Cascading Style Sheets (CSS) and processes them in a way that allows remote authenticated administrators to gain shell access by uploading a CSS file that contains PHP code, then selecting the file via the style chooser, which causes the PHP code to be executed. NOTE: the vendor was unable to reproduce this issue in 3.5.x. NOTE: this issue might be due to direct static code injection.

SQL injection vulnerability in VBulletin 3.0.10 allows remote attackers to execute arbitrary SQL commands via the featureid parameter.

index.php in Jelsoft vBulletin does not properly initialize a PHP variable that is used to store template information, which allows remote attackers to execute arbitrary PHP code via special characters in the templatecache parameter.

PHP remote file inclusion vulnerability in install/upgrade_301.php in Jelsoft vBulletin 3.5.4 allows remote attackers to execute arbitrary PHP code via a URL in the step parameter. NOTE: the vendor has disputed this vulnerability, saying "The default vBulletin requires authentication prior to the usage of the upgrade system.

Jelsoft vBulletin 3.5.4 allows remote attackers to register multiple arbitrary users and cause a denial of service (resource consumption) via a large number of requests to register.php. NOTE: the vendor has disputed this vulnerability, stating "If you have the CAPTCHA enabled then the registrations wont even go through. ... if you are talking about the flood being allowed in the first place then surely this is something that should be handled at the server level.

Cross-site scripting (XSS) vulnerability in Jelsoft vBulletin 3.5.4 and 3.6.0 allows remote attackers to inject arbitrary web script or HTML by uploading an attachment with a .pdf extension that contains JavaScript, which is processed as script by Microsoft Internet Explorer 6.

Cross-site scripting (XSS) vulnerability in member.php in vBulletin 3.5.x allows remote attackers to inject arbitrary web script or HTML via the u parameter. NOTE: the vendor has disputed this report, stating that they have been unable to replicate the issue and that "the userid parameter is run through our filtering system as an unsigned integer.

calendar.php in vBulletin before 2.2.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the command parameter.

Cross-site scripting (XSS) vulnerability in memberlist.php in Jelsoft vBulletin 2.0 rc 2 through 2.2.4 allows remote attackers to steal authentication credentials by injecting script into $letterbits.