{"cve":"CVE-2024-7524","nvd":{"published":"2024-08-06T13:15:57.357","modified":"2026-06-17T08:20:22.627","status":"Modified","description":"Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection.  On a site protected by Content Security Policy in \"strict-dynamic\" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1909241","https://www.mozilla.org/security/advisories/mfsa2024-33/","https://www.mozilla.org/security/advisories/mfsa2024-34/","https://www.mozilla.org/security/advisories/mfsa2024-35/"],"products":["mozilla:firefox","mozilla:firefox_esr"],"source":"nvd","synced_at":"2026-10-19T21:53:51.317825789+00:00"},"epss":{"cve":"CVE-2024-7524","score":0.00489,"percentile":0.42088,"date":"2026-10-31"},"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."]}