Vulnerability Details CVE-2025-66449
ConvertXis a self-hosted online file converter. In versions prior to 0.16.0, the endpoint `/upload` allows an authenticated user to write arbitrary files on the system, overwriting binaries and allowing code execution. The upload function takes `file.name` directly from user supplied data without doing any sanitization on the name thus allowing for arbitrary file write. This can be used to overwrite system binaries with ones provided from an attacker allowing full code execution. Version 0.16.0 contains a patch for the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.4%
CVSS Severity
CVSS v3 Score 8.8
References
- https://github.com/C4illin/ConvertX/blob/4ae2aab66ace7cdcc14c5a16ecaaf2372b9ccbdf/src/pages/upload.tsx#L27-L30
- https://github.com/C4illin/ConvertX/commit/550f472451755d095cf5802bc91f403e85b7129e
- https://github.com/C4illin/ConvertX/security/advisories/GHSA-cpww-gwgc-p72r
- https://github.com/C4illin/ConvertX/security/advisories/GHSA-cpww-gwgc-p72r
Products affected by CVE-2025-66449
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cpe:2.3:a:c4illin:convertx:0.1.0
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cpe:2.3:a:c4illin:convertx:0.1.1
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cpe:2.3:a:c4illin:convertx:0.1.2
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cpe:2.3:a:c4illin:convertx:0.10.0
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cpe:2.3:a:c4illin:convertx:0.10.1
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cpe:2.3:a:c4illin:convertx:0.11.0
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cpe:2.3:a:c4illin:convertx:0.11.1
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cpe:2.3:a:c4illin:convertx:0.12.0
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cpe:2.3:a:c4illin:convertx:0.12.1
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cpe:2.3:a:c4illin:convertx:0.13.0
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cpe:2.3:a:c4illin:convertx:0.14.0
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cpe:2.3:a:c4illin:convertx:0.14.1
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cpe:2.3:a:c4illin:convertx:0.15.0
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cpe:2.3:a:c4illin:convertx:0.15.1
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cpe:2.3:a:c4illin:convertx:0.2.0
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cpe:2.3:a:c4illin:convertx:0.3.0
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cpe:2.3:a:c4illin:convertx:0.3.1
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cpe:2.3:a:c4illin:convertx:0.3.2
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cpe:2.3:a:c4illin:convertx:0.3.3
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cpe:2.3:a:c4illin:convertx:0.4.0
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cpe:2.3:a:c4illin:convertx:0.4.1
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cpe:2.3:a:c4illin:convertx:0.5.0
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cpe:2.3:a:c4illin:convertx:0.6.0
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cpe:2.3:a:c4illin:convertx:0.7.0
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cpe:2.3:a:c4illin:convertx:0.8.0
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cpe:2.3:a:c4illin:convertx:0.8.1
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cpe:2.3:a:c4illin:convertx:0.9.0