CVE-2021-38319: 
WordPress vulnerability analysis and mitigation

The More From Google WordPress plugin (versions up to and including 0.0.2) was identified with a Reflected Cross-Site Scripting vulnerability, tracked as CVE-2021-38319. The vulnerability was discovered and reported by Wordfence on August 9, 2021, and was publicly disclosed on September 9, 2021. The vulnerability affects the plugin's morefromgoogle.php file, where improper handling of the $SERVER["PHPSELF"] value creates a security risk (NVD, CVE Mitre).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and received a CVSS v3.1 base score of 6.1 (Medium). The technical assessment indicates that the vulnerability has a Network attack vector (AV:N), Low attack complexity (AC:L), requires No privileges (PR:N), and User interaction (UI:R). The scope is Changed (S:C) with Low confidentiality and integrity impact (C:L, I:L) and No availability impact (A:N) (NVD).

The vulnerability allows attackers to inject arbitrary web scripts through the reflected $SERVER["PHPSELF"] value in the morefromgoogle.php file. This could potentially lead to the execution of malicious scripts in users' browsers, compromising the security of the website and its visitors (NVD).

Users of the More From Google WordPress plugin should upgrade to a version newer than 0.0.2 if available, or consider removing the plugin if it is not essential to their website's functionality (NVD).