🔐 CVE Alert

CVE-2023-53952

HIGH 8.8

Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-434
Vendor dotclear
Product dotclear
Published Dec 19, 2025
Last Updated Apr 7, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Dotclear / Dotclear
2.25.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗
exploit-db.com: https://www.exploit-db.com/exploits/51353 dotclear.org: https://dotclear.org/ vulncheck.com: https://www.vulncheck.com/advisories/dotclear-authenticated-remote-code-execution-via-file-upload

Credits

Mirabbas Ağalarov