A Server-side Template Injection (SSTI) vulnerability exists in bbs 5.3 in TemplateManageAction.javawhich could let a malicoius user execute arbitrary code.

A File Upload vulnerability exists in bbs v5.3 via QuestionManageAction.java in a getType function.

An Archive Extraction (AKA "Zip Slip) vulnerability exists in bbs 5.3 in the UpgradeNow function in UpgradeManageAction.java, which unzips the arbitrary upladed zip file without checking filenames. The vulnerability is exploited using a specially crafted archive that holds directory traversal filenames (e.g. ../../evil.exe).

A File Upload vulnerability exists in bbs 5.3 is via TopicManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

A File Upload vulnerability exists in bbs 5.3 is via MembershipCardManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

A File Upload vulnerability exists in bbs 5.3 is via HelpManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

An issue in the getType function of BBS Forum v5.3 and below allows attackers to upload arbitrary files.

A vulnerability classified as critical has been found in diyhi bbs 6.8. Affected is the function Add of the file /src/main/java/cms/web/action/template/ForumManageAction.java of the component API. The manipulation of the argument dirName leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

A vulnerability classified as critical has been found in diyhi bbs up to 6.8. This affects the function getUrl of the file /admin/login of the component HTTP Header Handler. The manipulation of the argument Host leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

A weakness has been identified in diyhi bbs up to 6.8. The impacted element is an unknown function of the file src/main/java/cms/web/action/filePackage/FilePackageManageAction.java of the component File Compression Handler. This manipulation of the argument idGroup causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.