CVE-2018-19420
Last modified
CVE-2018-19420 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Get-Simple | Getsimple Cms | 3.3.15 |
References
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301Exploit, Third Party Advisory
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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