Unrated severityOSV Advisory· Published Nov 21, 2018· Updated Sep 16, 2024
CVE-2018-19420
CVE-2018-19420
Description
In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename), because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 3.3.12, 3.3.15, v3.1.1, …
- Range: =3.3.15
Patches
Vulnerability mechanics
References
1- github.com/GetSimpleCMS/GetSimpleCMS/issues/1301mitrex_refsource_MISC
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