Code execution via incomplete PHP upload filtering
Published Nov 17, 2022 · Updated Apr 29, 2025
Arbitrary file upload in DedeCMS 5.7.101 allows local users with administrative access to execute code through a crafted PHP file. The uploadsafe.inc.php filter rejects direct function calls only when its regular expression finds a trailing semicolon, so split function names followed by a PHP closing tag evade inspection. Backend access and permission to use file_manage_control.php are required; the uploaded PHP executes when its URL is requested.
Summary
What happened
Arbitrary file upload in DedeCMS 5.7.101 allows local users with administrative access to execute code through a crafted PHP file. The uploadsafe.inc.php filter rejects direct function calls only when its regular expression finds a trailing semicolon, so split function names followed by a PHP closing tag evade inspection. Backend access and permission to use file_manage_control.php are required; the uploaded PHP executes when its URL is requested.
The record
- CVE
- CVE-2022-43192
- Published
- Nov 17, 2022
- Updated
- Apr 29, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-434, T1505.003
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Nov 17, 2022CVE publishedPublication date reported by the CVE source.
- Apr 29, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Dedecms-v5.7.101-RCE proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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