Remote Code Execution Vulnerability in Dotclear by Dotclear
CVE-2023-53952

8.7HIGH

Key Information:

Vendor

Dotclear

Status
Dotclear
Vendor
CVE Published:
19 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53952?

Dotclear 2.25.3 has a vulnerability that enables authenticated attackers to exploit the blog post creation interface to upload malicious PHP files with the .phar extension. Once uploaded, these files can contain executable PHP system commands that run on the server when accessed. This flaw poses a serious risk of arbitrary code execution, potentially compromising the security of the server and the data it handles.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

Dotclear 2.25.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53952 - Proof of Concept

References

https://www.exploit-db.com/exploits/51353
exploit
https://dotclear.org/
technical-description
https://www.vulncheck.com/advisories/dotclear-authenticat...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
JSON
.