CVE-2021-36440
Unrestricted File Upload in ShowDoc v2.9.5
9.8
CRITICAL
CVSS 3.1
EPSS 36.8%
Description
Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.
How to fix CVE-2021-36440
To remediate CVE-2021-36440, upgrade the affected package to a fixed version below.
- Packagist/showdoc/showdoc—upgrade to 2.9.6 or later
Is CVE-2021-36440 being exploited?
Moderate — EPSS is 36.8%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.9.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |