Vulnerability · Published Dec 19, 2025 · Assigned by VulnCheck
CVE-2023-53952Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload
High 8.8
In plain English
A high-severity unrestricted file upload in Dotclear from Dotclear. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 33.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51353 exploit
- Official Product Homepage technical-description
- VulnCheck Advisory: Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload third-party-advisory