What’s Vulnerable › Vulnerabilities

CVE-2013-10038: FlashChat Arbitrary File Upload RCE

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-31 · updated 2026-06-16
• Weakness: CWE-434

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.

Affected products

• TUFaT FlashChat: from 6.0.4 through 6.0.8; 6.0.2

References

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

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