Stack-based buffer overflow in the IMAP service in Mercur Messaging 5.0 SP3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long string to the (1) LOGIN or (2) SELECT command, a different set of attack vectors and possibly a different vulnerability than CVE-2003-1177.

SQL injection vulnerability in index.php for MercuryBoard 1.1.4 and earlier allows remote attackers to execute arbitrary SQL commands via the User-Agent HTTP header.

Mercur Messaging 2005 SP2 allows remote attackers to read the source code of .ctml files via a URL with a trailing hex-encoded space ("%20").

Multiple directory traversal vulnerabilities in Mercur Messaging 2005 SP2 allow remote attackers to perform unauthorized file operations via the Folder.Id parameter to (1) deletefolder.ctml, (2) deletemessage.ctml, (3) origmessage.ctml, or (4) readmessage.ctml, the Message.Id parameter to editmessage.ctml, or the (5) Message.Command parameter to messages.ctml.

index.php in MercuryBoard 1.0.x and 1.1.x allows remote attackers to obtain sensitive information by setting the debug parameter.

Cross-site scripting (XSS) vulnerability in index.php for MercuryBoard 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the Avatar field.

SQL injection vulnerability in index.php for MercuryBoard 1.1.2 allows remote attackers to inject arbitrary SQL commands via the f parameter.

SQL injection vulnerability in post.php for MercuryBoard 1.1.1 allows remote attackers to execute arbitrary SQL commands via a reply post action for index.php with (1) the t parameter or (2) the qu parameter.

Cross-site scripting (XSS) vulnerability in MercuryBoard before 1.1.3 allows remote attackers to inject arbitrary web script or HTML via the title field of a PM (private message).

Cross-site scripting (XSS) vulnerability in MercuryBoard 1.0.x and 1.1.x allows remote attackers to inject arbitrary HTML and web script via the f parameter.