Description
The events-manager plugin through 5.9.5 for WordPress (aka Events Manager) is susceptible to Stored XSS due to improper encoding and insertion of data provided to the attribute map_style of shortcodes (locations_map and events_map) provided by the plugin.
References
- https://wordpress.org/plugins/events-manager/#developers
- https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-03_WordPress_Plugin_Events_Manager
- [oss-security] 20191016 [SBA-ADV-20190913-03] CVE-2019-16523: WordPress Plugin - Events Manager <= 5.9.5 - Stored XSS mailing-list
- https://wpvulndb.com/vulnerabilities/9916