Unrestricted file upload in Collabtive
Priority MEDIUM 45CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
EPSS 0.03781 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Collabtive: 2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Collabtive | before 2.1 | 2.1 | Patch available | CNA |
- Collabtive Vendor— Affected before 2.1 Fixed in 2.1 Patch available CNA
Remediation
- Fix · CNA Collabtive Fixed in 2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2015-0258
- 2026-10-03 Alias added: GHSA-2hf9-vh2r-j6vp
- 2026-11-06 EPSS moved to the 90th–95th percentile
References
Sources
- CVE-2015-0258 · CVE Program
- CVE-2015-0258 · NVD
- FIRST EPSS
- GHSA-2hf9-vh2r-j6vp · GitHub Advisory Database · CC BY 4.0
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