CVE-2023-4283
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) 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.
Risk Assessment
Authenticated attackers with contributor-level and above permissions can inject arbitrary web scripts that will execute whenever a user accesses an injected page, posing a serious security risk to the application.
Recommendation
It is recommended to update the EmbedPress plugin to the latest version to mitigate this vulnerability and to review and sanitize input data in the application.
Original NVD description (English source)
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.