Reflected cross-site scripting vulnerability exists in multiple versions of PowerCMS. If a product administrator accesses a crafted URL, an arbitrary script may be executed on the browser.

Stored cross-site scripting vulnerability exists in multiple versions of PowerCMS. If a product user accesses a malicious page, an arbitrary script may be executed on the browser.

A path traversal issue exists in file uploading feature of multiple versions of PowerCMS. Arbitrary files may be overwritten by a product user.

A path traversal issue exists in backup and restore feature of multiple versions of PowerCMS. A product administrator may execute arbitrary code by restoring a crafted backup file.

Multiple versions of PowerCMS improperly neutralize formula elements in a CSV file. If a product user creates a malformed entry and a victim user downloads it as a CSV file and opens it in the user's environment, the embedded code may be executed.

Multiple versions of PowerCMS allow unrestricted upload of dangerous files. If a product administrator accesses a malicious file uploaded by a product user, an arbitrary script may be executed on the browser.

Open redirect vulnerability in PowerCMS 5.12 and earlier (PowerCMS 5.x), 4.42 and earlier (PowerCMS 4.x), and 3.293 and earlier (PowerCMS 3.x) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a specially crafted URL.