cve/2023/CVE-2023-4283.md

### [CVE-2023-4283](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4283)
![](https://img.shields.io/static/v1?label=Product&message=EmbedPress%20%E2%80%93%20Embed%20PDF%2C%20YouTube%2C%20Google%20Docs%2C%20Vimeo%2C%20Wistia%20Videos%2C%20Audios%2C%20Maps%20%26%20Any%20Documents%20in%20Gutenberg%20%26%20Elementor&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=*%3C%3D%203.8.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds