{"cve":"CVE-2024-21497","nvd":{"published":"2024-02-17T05:15:09.863","modified":"2026-06-17T07:09:37.103","status":"Modified","description":"Versions of the package github.com/greenpau/caddy-security  are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/","https://github.com/greenpau/caddy-security/issues/268","https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861","https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/","https://github.com/greenpau/caddy-security/issues/268"],"products":["greenpau:caddy-security"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-21497","score":0.00499,"percentile":0.42782,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8hp3-rmr7-xh88","url":"https://osv.dev/vulnerability/GHSA-8hp3-rmr7-xh88","summary":"Open Redirect in github.com/greenpau/caddy-security","modified":"2026-03-04T01:57:19Z","packages":[{"ecosystem":"Go","name":"github.com/greenpau/caddy-security","purl":"pkg:golang/github.com/greenpau/caddy-security","ranges":["<=1.1.23"],"fixed":[]}]},{"id":"GO-2024-2560","url":"https://osv.dev/vulnerability/GO-2024-2560","summary":"Open Redirect in github.com/greenpau/caddy-security","modified":"2026-03-03T04:55:11.659210Z","packages":[{"ecosystem":"Go","name":"github.com/greenpau/caddy-security","purl":"pkg:golang/github.com/greenpau/caddy-security","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}