This vulnerability involves improper neutralization of input in the Peadig’s Google +1 Button, leading to DOM-based Cross-site Scripting (XSS). The affected versions are up to and including 0.1.2. The CVSS 3.1 score is 6.5, indicating a medium severity with network attack vector, low attack complexity, requiring low privileges and user interaction, and impacts on confidentiality, integrity, and availability. No patch or official fix information is provided.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to partial disclosure of information, modification of data, or disruption of service. The impact is rated as medium severity with limited confidentiality, integrity, and availability impacts. No known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or removing the affected Google +1 Button component if feasible, or apply any recommended temporary mitigations from the vendor once available.