CVE-2023-4961

Name of the Vulnerable Software and Affected Versions Poptin plugin for WordPress versions up to, and including, 1.3

Description The issue arises from insufficient input sanitization and output escaping on user-supplied attributes in the 'poptin-form' shortcode, allowing authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages. These scripts will execute whenever a user accesses an injected page.

Recommendations For Poptin plugin for WordPress versions up to, and including, 1.3, consider disabling the 'poptin-form' shortcode until a patch is available to prevent exploitation. Restrict access to pages that use this shortcode to minimize the risk of arbitrary web script execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.