{"cve":"CVE-2023-6990","nvd":{"published":"2024-01-11T09:15:54.173","modified":"2026-06-17T06:51:49.627","status":"Modified","description":"The Weaver Xtreme theme for WordPress is vulnerable to Stored Cross-Site Scripting via custom post meta in all versions up to, and including, 6.3.0 due to insufficient input sanitization and output escaping on user supplied meta (page-head-code). This makes it possible for authenticated attackers with contributor-level and above permissions 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:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=212828%40weaver-xtreme&new=212828%40weaver-xtreme&sfp_email=&sfph_mail=","https://www.wordfence.com/threat-intel/vulnerabilities/id/bc7384d7-c2fd-4d63-9b80-bb5bde9a23d5?source=cve","https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=212828%40weaver-xtreme&new=212828%40weaver-xtreme&sfp_email=&sfph_mail=","https://www.wordfence.com/threat-intel/vulnerabilities/id/bc7384d7-c2fd-4d63-9b80-bb5bde9a23d5?source=cve"],"products":["weavertheme:weaver_xtreme_theme_support"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-6990","score":0.00312,"percentile":0.24153,"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."]}