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FileChucker 4.99e-free-e02 contains a vulnerability in filechucker.cgi where the file extension filter can be bypassed by inserting percent (%) characters within the extension. This allows an attacker to upload files with otherwise disallowed extensions, such as PHP scripts, by naming them with obfuscated extensions (e.g., file.%ph%p), which are then interpreted as executable by the server.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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No public activity observed for this vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
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