CVE-2023-53952

HIGH
Published Dec 19, 2025 Modified Dec 24, 2025 CWE-434

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.

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CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor Product
dotclear dotclear

References

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2023-53952? +
CVE-2023-53952 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-53952? +
CVE-2023-53952 affects products from dotclear, specifically: dotclear. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-53952? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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