CVE-2023-3388
HighCVSS 7.2Exploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
The Beautiful Cookie Consent Banner for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the 'nsc_bar_content_href' parameter in versions up to and including 2.10.1 due to insufficient input sanitization and output escaping.
Risk Assessment
Unauthenticated attackers can inject arbitrary web scripts that will execute whenever a user accesses an injected page, potentially leading to data theft or session hijacking.
Recommendation
It is recommended to update the plugin to version 2.10.2 or later to mitigate this vulnerability.
Original NVD description (English source)
The Beautiful Cookie Consent Banner for WordPress is vulnerable to Stored Cross-Site Scripting via the 'nsc_bar_content_href' parameter in versions up to, and including, 2.10.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. A partial patch was made available in 2.10.1 and the issue was fully patched in 2.10.2.