CVE-2026-87760 Web Vitals Tracking <= 5.4.2 - Unauthenticated Stored XSS via Tracking Beacon Metric Name

The Web Vitals Tracking WordPress plugin through 5.4.2 does not validate or escape performance measurements submitted by unauthenticated visitors before storing them and outputting them in a script context on an administrative page, allowing unauthenticated attackers to perform Stored Cross-Site...

CVE-2026-87760

The Web Vitals Tracking WordPress plugin, in versions through 5.4.2 , is vulnerable to Stored Cross-Site Scripting (XSS) . The root cause is a failure to validate or escape performance measurements submitted by unauthenticated visitors before storing and subsequently outputting them within a scri...