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TI-2023-30235 Aliases CVE-2023-53952GHSA-w6jr-fv5g-m8h5

Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload

Priority HIGH 79CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01128 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DotclearDotclear2.25.3—No fix listedCNA
  • Dotclear VendorDotclear Affected 2.25.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dotclear:dotclear:2.25.3:*:*:*:*:*:*:*2.25.3VulnerableDotclear
  • cpe:2.3:a:dotclear:dotclear:2.25.3:*:*:*:*:*:*:* Versions 2.25.3 Vulnerable ·Dotclear

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53952
  2. 2026-10-03 Alias added: GHSA-w6jr-fv5g-m8h5

References

Exploit 1

Other 1

  • TI-2024-38378 Dotclear 2.29 Remote Code Execution via Authenticated File Upload CVSS 4.0HIGH 8.7
  • TI-2024-18328 A Reflected Cross-Site Scripting (XSS) vulnerability has been identified in Dotclear… CVSS 3.1MEDIUM 6.1
  • TI-2008-03094 Unrestricted file upload vulnerability in ecrire/images.php in Dotclear 1.2.7.1 and… CVSS 2.0HIGH 9.3
  • TI-2005-03750 Unspecified vulnerability in the Trackback functionality in DotClear 1.2.1 has unknown impact and attack vectors. CVSS 2.0HIGH 10.0
  • TI-2016-06637 Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before… CVSS 3.0HIGH 8.8
  • TI-2015-07267 Multiple incomplete blacklist vulnerabilities in inc/core/class.dc.core.php in Dotclear… CVSS 3.0HIGH 8.8
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences