Cross-site request forgery (CSRF) vulnerability in index.php in ProjectPier 0.8 and earlier allows remote attackers to perform actions as an administrator via the query string, as demonstrated by a delete project action.

Multiple cross-site scripting (XSS) vulnerabilities in ProjectPier 0.8 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) a message, (2) a milestone, or (3) a display name in a profile, or the (4) a or (5) c parameter to index.php.

Project Pier <= 0.8.8 Arbitrary File Upload RCE

Project Pier 0.8.8 and earlier contains an unauthenticated arbitrary file upload vulnerability in tools/upload_file.php. The upload handler fails to validate the file type or enforce authentication, allowing remote attackers to upload malicious PHP files directly into a web-accessible directory. The uploaded file is stored with a predictable suffix and can be executed by requesting its URL, resulting in remote code execution.

ProjectPier 0.8.0.3 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by public/upgrade/templates/layout.php and certain other files.

Unrestricted file upload vulnerability in the Files plugin in ProjectPier 0.88 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the tmp directory under the document root.

PHP remote file inclusion vulnerability in public/patch/patch.php in Project Pier 0.8.8 and earlier allows remote attackers to execute arbitrary commands or SQL statements via the id parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Project-Pier ProjectPier-Core allow remote attackers to inject arbitrary web script or HTML via the search_for parameter to (1) search_by_tag.php, (2) search_contacts.php, or (3) search.php.

ProjectPier 0.8.8 does not use the Secure flag for cookies

ProjectPier 0.8.8 has a Remote Information Disclosure Weakness because of the lack of the HttpOnly cookie flag

ProjectPier 0.8.8 has stored XSS