GHSA-c442-3278-rhrg

Unrestricted File Upload in ShowDoc v2.9.5

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-36440

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	showdoc/showdoc	< 2.9.6	2.9.6

Details

As written in the advisory (Markdown source, shown as plain text).

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'.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-36440 advisory
https://github.com/star7th/showdoc/issues/1406 web
https://github.com/star7th/showdoc/commit/49b992d4c548c8c615a92b6efe8a50c8f1083abf web
https://github.com/star7th/showdoc package