{"id":"CVE-2026-4303","state":"PUBLISHED","title":"WP Visitor Statistics (Real Time Traffic) <= 8.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'height' Shortcode Attribute","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.","publishedAt":"2026-04-08T09:25:49.220Z","updatedAt":"2026-04-08T18:48:12.685Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["osamaesh WP Visitor Statistics (Real Time Traffic)"],"affected":[{"vendor":"osamaesh","product":"WP Visitor Statistics (Real Time Traffic)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"8.4","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/3b6916d3-3944-43a2-8d5e-424f86c753ad?source=cve","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/tags/8.4/includes/wsm_init.php#L208","https://plugins.trac.wordpress.org/browser/wp-stats-manager/trunk/includes/wsm_statistics.php#L2392","https://plugins.trac.wordpress.org/browser/wp-stats-manager/trunk/includes/wsm_statistics.php#L2272","https://plugins.trac.wordpress.org/browser/wp-stats-manager/tags/8.4/includes/wsm_statistics.php#L2272","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3498538%40wp-stats-manager&new=3498538%40wp-stats-manager&sfp_email=&sfph_mail="],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4303.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4303","state":"PUBLISHED","datePublished":"2026-04-08T09:25:49.220Z","dateUpdated":"2026-04-08T18:48:12.685Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-03-16T20:17:07.038Z"},"containers":{"cna":{"title":"WP Visitor Statistics (Real Time Traffic) <= 8.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'height' Shortcode Attribute","descriptions":[{"lang":"en","value":"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. 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