Multiple vulnerabilities in 301 Redirects – Easy Redirect Manager plugin for WordPress



Published: 2019-12-20
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-19915
CWE-ID CWE-601
CWE-352
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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301 Redirects
Web applications / Modules and components for CMS

Vendor WebFactory Ltd

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Open redirect

EUVDB-ID: #VU23759

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-19915

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 lack of capability checks on the AJAX actions. A remote authenticated 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

301 Redirects: 1.1 - 2.40


CPE2.3 External links

http://www.wordfence.com/blog/2019/12/critical-vulnerability-patched-in-301-redirects-easy-redirect...

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Cross-site request forgery

EUVDB-ID: #VU23761

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-19915

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin within the AJAX actions. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

301 Redirects: 1.1 - 2.40


CPE2.3 External links

http://www.wordfence.com/blog/2019/12/critical-vulnerability-patched-in-301-redirects-easy-redirect...

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Cross-site scripting

EUVDB-ID: #VU23760

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-19915

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the ID parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

301 Redirects: 1.1 - 2.40


CPE2.3 External links

http://www.wordfence.com/blog/2019/12/critical-vulnerability-patched-in-301-redirects-easy-redirect...

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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