{"cve":"CVE-2026-4303","nvd":{"published":"2026-04-08T10:16:02.173","modified":"2026-07-20T20:10:00.110","status":"Deferred","description":"The WP Visitor Statistics (Real Time Traffic) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wsm_showDayStatsGraph' shortcode in all versions up to, and including, 8.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","score":6.4},"cwes":["CWE-79"],"references":["https://plugins.trac.wordpress.org/browser/wp-stats-manager/tags/8.4/includes/wsm_init.php#L208","https://plugins.trac.wordpress.org/browser/wp-stats-manager/tags/8.4/includes/wsm_statistics.php#L2272","https://plugins.trac.wordpress.org/browser/wp-stats-manager/tags/8.4/includes/wsm_statistics.php#L2392","https://plugins.trac.wordpress.org/browser/wp-stats-manager/trunk/includes/wsm_init.php#L208","https://plugins.trac.wordpress.org/browser/wp-stats-manager/trunk/includes/wsm_statistics.php#L2272"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-4303","score":0.00274,"percentile":0.19863,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}