Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Ubuntu: USN-4590-1 (CVE-2015-0258): Collabtive vulnerability

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
Feb 17, 2020
Added
Mar 22, 2023
Modified
Mar 27, 2026

Description

Multiple incomplete blacklist vulnerabilities in the avatar upload functionality in manageuser.php in Collabtive before 2.1 allow remote authenticated users to execute arbitrary code by uploading a file with a (1) .php3, (2) .php4, (3) .php5, or (4) .phtml extension.

Solution

ubuntu-upgrade-collabtive
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.