CVE-2015-0258

Multiple incomplete blacklist vulnerabilities in the avatar upload functionality in manageuser...

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.78%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2015-0258
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-434
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-0258
Updated: 2026-11-02

EUVDEUVD-2015-0278 No score

Record: EUVD-2015-0278
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2hf9-vh2r-j6vp No score

Multiple incomplete blacklist vulnerabilities in the avatar upload functionality in manageuser...

Record: GHSA-2hf9-vh2r-j6vp
Weakness: CWE-434
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-0258 8.8

Record: UBUNTU-CVE-2015-0258
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUSN-4590-1 No score

collabtive vulnerability

It was discovered that Collabtive did not properly validate avatar image file uploads. An authenticated user could exploit this with a crafted file to cause Collabtive to execute arbitrary code. (CVE-2015-0258)

Record: USN-4590-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`collabtive` Debian:8	before 2.0+dfsg-5+deb8u1, plus listed versions 2.0+dfsg-5	2.0+dfsg-5+deb8u1
`collabtive` Ubuntu:16.04:LTS	before 2.0+dfsg-6ubuntu1.1, plus listed versions 2.0+dfsg-62.0+dfsg-6ubuntu1	2.0+dfsg-6ubuntu1.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-0258 is a high vulnerability (CVSS 8.8) in O-dyn Collabtive, published February 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.78%, the 89th percentile. Fixed in collabtive 2.0+dfsg-5+deb8u1.