Multiple vulnerabilities in WordPress SEO Plugin – Rank Math



| Updated: 2020-04-08
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-11514
CVE-2020-11515
CWE-ID CWE-264
CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WordPress SEO Plugin - Rank Math
Web applications / Modules and components for CMS

Vendor Rank Math

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 08.04.2020

Assigned CVE-ID number for vulnerabilities #1-2

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26595

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-11514

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected plugin registers the "rankmath/v1/updateMeta" REST-API endpoint, which fails to include a "permission_callback" used for capability checking. A remote attacker can send a specially crafted request and gain administrator privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WordPress SEO Plugin - Rank Math: 1.0.0 - 1.0.40.2

CPE2.3 External links

https://wpvulndb.com/vulnerabilities/10157/
https://www.wordfence.com/blog/2020/03/critical-vulnerabilities-affecting-over-200000-sites-patched-in-rank-math-seo-plugin/


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.

2) Open redirect

EUVDB-ID: #VU26596

Risk: Medium

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:Green]

CVE-ID: CVE-2020-11515

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 improper sanitization of user-supplied data in the "rankmath/v1/updateRedirection" REST-API endpoint in "update_redirection" function. 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

WordPress SEO Plugin - Rank Math: 1.0.0 - 1.0.40.2

CPE2.3 External links

https://wpvulndb.com/vulnerabilities/10157/
https://www.wordfence.com/blog/2020/03/critical-vulnerabilities-affecting-over-200000-sites-patched-in-rank-math-seo-plugin/


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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