CVE-2022-47431: 
WordPress vulnerability analysis and mitigation

A Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the Tussendoor internet & marketing Open RDW kenteken voertuiginformatie WordPress plugin versions 2.0.14 and below. The vulnerability was publicly disclosed on March 17, 2023, and was assigned the identifier CVE-2022-47431. The security researcher minhtuanact identified this vulnerability (WPScan, Patchstack).

The vulnerability exists because the plugin does not properly sanitize and escape the opendatardw_kenteken parameter before outputting it back in the page. This security issue has been assigned a CVSS v3.1 base score of 6.1 (Medium) by NIST and 7.1 (High) by Patchstack. The vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation) (WPScan, NVD).

The vulnerability could allow malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when users visit the affected site, potentially compromising the security of high-privilege users such as administrators (Patchstack).

The vulnerability has been patched in version 2.1.0 of the plugin. Users are advised to update to version 2.1.0 or later to remove the vulnerability. Patchstack users can enable auto-update for vulnerable plugins as an additional security measure (Patchstack).