Unrestricted File Upload Vulnerability in ShowDoc by Star7th
CVE-2021-36440

9.8CRITICAL

Key Information:

Vendor

Showdoc

Status
Showdoc
Vendor
CVE Published:
8 September 2021

What is CVE-2021-36440?

The vulnerability in ShowDoc v2.9.5 enables remote attackers to execute arbitrary code due to an issue in the 'file_url' parameter within the AdminUpdateController.class.php component. This flaw allows malicious files to be uploaded without proper validation, potentially putting systems at risk.

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References

https://github.com/star7th/showdoc/issues/1406
x_refsource_MISC

EPSS Score

36% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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