Vulnerability · Published Sep 8, 2021 · Assigned by mitre
CVE-2021-36440
Critical 9.8
In plain English
A critical-severity security flaw in the showdoc/showdoc package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.8% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)4.8%top 8.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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'.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | showdoc/showdoc | 2.9.6 | GHSA-c442-3278-rhrg |
Affected products (as reported)
References
- https://github.com/star7th/showdoc/issues/1406 x_refsource_MISC