Description
manageuser.php in Collabtive before 0.7.6 allows remote authenticated users, and possibly unauthenticated attackers, to bypass intended access restrictions and upload and execute arbitrary files by uploading an avatar file with an accepted Content-Type such as image/jpeg, then accessing it via a direct request to the file in files/standard/avatar.
Remediation
References
Related Vulnerabilities
Craft CMS Server-Side Request Forgery (SSRF) Vulnerability (CVE-2026-25493)
MongoDb Improper Validation of Specified Type of Input Vulnerability (CVE-2026-9742)
Squid Uncontrolled Resource Consumption Vulnerability (CVE-2021-28651)
WordPress Plugin Export Users to CSV Unspecified Vulnerability (1.3)