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Vulnerability details: VCID-9hkf-7f3e-cudc
Vulnerability ID VCID-9hkf-7f3e-cudc
Aliases CVE-2021-3734
Summary Cross-Site Request Forgery (CSRF) yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00151 https://api.first.org/data/v1/epss?cve=CVE-2021-3734
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-3734
https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd
CVE-2021-3734 https://nvd.nist.gov/vuln/detail/CVE-2021-3734
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.35392
EPSS Score 0.00151
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:55:45.137639+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/yourls/yourls/CVE-2021-3734.yml 38.6.0