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Medium severity6.1NVD Advisory· Published Dec 3, 2021· Updated Jun 17, 2026

CVE-2021-4000

CVE-2021-4000

Description

showdoc is vulnerable to URL Redirection to Untrusted Site

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
showdoc/showdocPackagist	<= 2.9.13	—

Affected products

3

ShowDoc/ShowDoc
cpe:2.3:a:showdoc:showdoc:-:*:*:*:*:*:*:*
ghsa-coords
pkg:composer/showdoc/showdoc
Range: <= 2.9.13
star7th/star7th/showdocv5
Range: unspecified

Patches

Vulnerability mechanics

References

4

github.com/star7th/showdoc/commit/c7f10033eba5f2b5a537f9af9ba2379138e67138nvdPatchThird Party AdvisoryWEB
huntr.dev/bounties/e4d803e0-3104-432c-80b3-34bc453c8962nvdExploitThird Party AdvisoryWEB
github.com/advisories/GHSA-8c9x-wfgj-v78wghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-4000ghsaADVISORY

News mentions

0

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