What’s Vulnerable › Vulnerabilities

CVE-2024-21497

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-17 · updated 2026-06-17
• Weakness: CWE-601

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.

Affected products

• github.com/greenpau/caddy-security: all versions

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
• https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861

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