{"cve":"CVE-2025-11453","nvd":{"published":"2026-01-09T12:15:50.620","modified":"2026-06-17T08:30:29.530","status":"Deferred","description":"The Header and Footer Scripts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the _inpost_head_script parameter in all versions up to, and including, 2.3.0 due to insufficient input sanitization and output escaping. 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/header-and-footer-scripts/tags/2.2.2/shfs.php#L119","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3442622%40header-and-footer-scripts&new=3442622%40header-and-footer-scripts&sfp_email=&sfph_mail=","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3444257%40header-and-footer-scripts&new=3444257%40header-and-footer-scripts&sfp_email=&sfph_mail=","https://www.wordfence.com/threat-intel/vulnerabilities/id/d658e087-8cc7-4653-af3c-407b6f73fb7b?source=cve"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:19:41.481987139+00:00"},"epss":{"cve":"CVE-2025-11453","score":0.00261,"percentile":0.17858,"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."]}