CVE-2013-10038

CRITICAL EPSS 72.7%
Published Jul 31, 202511mo ago · Modified Jun 16, 20261w ago
9.3 CVSS 4.0
Critical
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Published Jul 31, 2025 11mo ago
Last Modified Jun 16, 2026 1w ago

Description

An unauthenticated arbitrary file upload vulnerability exists in FlashChat versions 6.0.2 and 6.0.4 through 6.0.8. The upload.php endpoint fails to properly validate file types and authentication, allowing attackers to upload malicious PHP scripts. Once uploaded, these scripts can be executed remotely, resulting in arbitrary code execution as the web server user.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
72.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 5

  • raw.githubusercontent.com https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/flashchat_upload_exec.rb
  • exploit-db.com https://www.exploit-db.com/exploits/28709
  • fortiguard.com https://www.fortiguard.com/encyclopedia/ips/37342/flashchat-arbitrary-file-upload
  • phpbb.com https://www.phpbb.com/community/viewtopic.php?t=2627786
  • vulncheck.com https://www.vulncheck.com/advisories/flashchat-arbitrary-file-upload-rce

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.