Arbitrary file upload in Dotclear
CVE-2023-53952
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Dotclear — versions 2.25.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51353 (Exploit, VDB Entry, Third Party Advisory, exploit)
- dotclear.org/ (Product, technical-description)
- www.vulncheck.com/advisories/dotclear-authenticated-remote-code-execution-via-f… (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53952?
- CVE-2023-53952 is a high-severity vulnerability in Dotclear, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-12-19.
- How severe is CVE-2023-53952?
- High severity. CVSS v3 base score is 8.8 out of 10.