Description

WordPress Plugin SendGrid is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently export statistics for a WordPress multi-site main site. WordPress Plugin SendGrid version 1.11.8 is vulnerable; prior versions are also affected.

Remediation

Disable and remove the plugin until a fix is available

References

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

https://wordpress.org/plugins/sendgrid-email-delivery-simplified/#description

Related Vulnerabilities

Ruby Improper Input Validation Vulnerability (CVE-2011-4815)

WordPress Plugin Variation Swatches for WooCommerce Cross-Site Scripting (1.0.61)

Ruby Resource Management Errors Vulnerability (CVE-2008-3656)

Claroline Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2008-3315)

osCommerce Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-43726)

Severity

High

Classification

CVE-2021-34629 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N 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

Tags

Missing Update Authentication Bypass