{"id":"CVE-2026-87760","title":"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, allo…","summary":"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, allo…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"published":"2026-10-11","updated":"2026-10-11","sourceUpdated":"2026-10-11T12:17:24.943","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87760","references":[{"url":"https://wpscan.com/vulnerability/c6250c43-42c5-4c76-9eb9-2b35ba461e8c/","label":"contact@wpscan.com"}],"tags":["nvd"],"ingestedAt":"2026-10-11T08:44:24.722Z","epss":0.00185,"epssPercentile":0.07455,"slug":"CVE-2026-87760","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219267,"id":"CVE-2026-87760","ts":1791723033884,"field":"cvss","old":null,"new":"8.8"},{"seq":219266,"id":"CVE-2026-87760","ts":1791723033884,"field":"severity","old":"none","new":"high"}]}