CVE-2026-87760EPSS p25.8%

CVE-2026-87760CVE-2026-87760

Description

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 Scripting attacks against administrators.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.34% probability of exploitation · percentile 25.8% · 2026-10-14T12:00:24Z
Last modified2026-10-13
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.