Open redirect in trailing-slash package for npm



| Updated: 2021-05-26
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-23387
CWE-ID CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
 trailing-slash
Web applications / Modules and components for CMS

Vendor Nathan Wittstock

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Open redirect

EUVDB-ID: #VU53535

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-23387

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to the use of trailing double slashes in the URL when accessing the vulnerable endpoint. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

trailing-slash: 1.0.0 - 2.0.0

CPE2.3 External links

https://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36
https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707
https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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