showdoc is vulnerable to Cross-Site Request Forgery (CSRF)

MEDIUM 5.4CVE-2021-3776 · GHSA-m4hj-wg2r-qpcr · Published 13/11/2021 · updated 17/06/2026

In short

CVE-2021-3776 is a MEDIUM (CVSS 5.4) vulnerability affecting showdoc/showdoc, showdoc (showdoc).
Chance of exploitation in the next 30 days (EPSS): 0.41%, higher than 35.5% of all vulnerabilities.
Fix: update to 2.9.13 or later.

Package	Affected versions	Patched versions
showdoc/showdoc Packagist	`< 2.9.13`	`2.9.13`
showdoc showdoc	`≤ 2.9.12`	No fix yet

showdoc is vulnerable to Cross-Site Request Forgery (CSRF).

NVD description

showdoc is vulnerable to Cross-Site Request Forgery (CSRF)

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

< 2.9.13

2.9.13

≤ 2.9.12

No fix yet

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