UBUNTU-CVE-2023-53952

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Source
https://ubuntu.com/security/CVE-2023-53952
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-53952.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-53952
Upstream
Published
2025-12-19T21:15:00Z
Modified
2025-12-26T07:55:43.086454Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed, enabling arbitrary code execution on the server.

References

Affected packages

Ubuntu:16.04:LTS / dotclear

Package

Name
dotclear
Purl
pkg:deb/ubuntu/dotclear@2.8.0+dfsg-1ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.7.5+dfsg-1
2.8.0+dfsg-1
2.8.0+dfsg-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dotclear",
            "binary_version": "2.8.0+dfsg-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-53952.json"