WordPress security changelog
MEDIUM CVE-2021-34629 Modified

SendGrid: A security weakness

SendGrid is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 4.3 CVSS 3.1 · security@wordfence.com
NVD score 4.3 CVSS 3.1 · nvd@nist.gov
Component
SendGrid
Plugin slug
sendgrid
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 30, 2021
Weakness
CWE-862 — Missing Authorization
NVD-CWE-noinfo

This CVE was published Jul 30, 2021 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update SendGrid to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The SendGrid WordPress plugin is vulnerable to authorization bypass via the get_ajax_statistics function found in the ~/lib/class-sendgrid-statistics.php file which allows authenticated users to export statistic for a WordPress multi-site main site, in versions up to and including 1.11.8.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources