This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.

The Open Graph Importer (og_tag_importer) 7.x-1.x for Drupal does not properly check the create permission for content types created during import, which allows remote authenticated users to bypass intended restrictions by leveraging the "import og_tag_importer" permission.

Cross-site scripting (XSS) vulnerability in the Open Graph protocol (jh_opengraphprotocol) extension before 1.0.2 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.