Live Vulnerability Intelligence
Threat Database
Search CVEs, inspect descriptions, and open detail pages with AI-assisted technical context.
Threat Entry
Updated 2026-07-18
CVE-2026-13042 - Rpb Chessboard Plugin
The RPB Chessboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 8.1.2 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. WordPress's save-time kses sanitization does not mitigate this issue because the crafted payload uses only kses-allowed tags and attributes (such as an <a> element with title and href), and the dangerous attribute-breaking HTML is synthesized…
PLUGIN
Rpb Chessboard
CVE-2026-13042
Risk Score