Improper Authorization in SendGrid plugin for WordPress

1) Improper Authorization

EUVDB-ID: #VU56042

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-34629

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to an error in the "get_ajax_statistics" in the ~/lib/class-sendgrid-statistics.php file. A remote authenticated attacker can bypass authorization process and export statistics for a WordPress multi-site main site.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SendGrid: 1.0 - 1.11.8

CPE2.3

• cpe:2.3:a:team-rs:sendgrid-email-delivery-simplified:1.0:*:*:*:*:wordpress:*:*
• cpe:2.3:a:team-rs:sendgrid-email-delivery-simplified:1.1:*:*:*:*:wordpress:*:*
• cpe:2.3:a:team-rs:sendgrid-email-delivery-simplified:1.2:*:*:*:*:wordpress:*:*

External links

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34629

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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