Cross-site scripting (XSS) vulnerability in Phorum before 5.2.10 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in Phorum before 5.2.15 allows remote attackers to inject arbitrary web script or HTML via an invalid email address.

DISPUTED SQL injection vulnerability in search.php in Phorum 5.1.14 and earlier allows remote attackers to execute arbitrary SQL commands via the page parameter. NOTE: the vendor has disputed this report, stating "If a non positive integer or non-integer is used for the page parameter for a search URL, the search query will use a negative number for the LIMIT clause. This causes the query to break, showing no results. It IS NOT however a sql injection error." While the original report is from a researcher with mixed accuracy, as of 20060703, CVE does not have any additional information regarding this issue.

Directory traversal vulnerability in pm.php in Phorum 5 allows remote authenticated users to include and execute arbitrary local files via directory traversal sequences in the GLOBALS[template] parameter, as demonstrated by injecting PHP sequences into a log file, which is then included by pm.php.

Multiple PHP remote file inclusion vulnerabilities in Phorum 5.1.14, when registerglobals is enabled, allow remote attackers to execute arbitrary PHP code via unspecified vectors related to an uninitialized variable.