{"cve":"CVE-2017-7725","nvd":{"published":"2017-04-13T17:59:00.700","modified":"2026-06-17T01:25:02.757","status":"Modified","description":"concrete5 8.1.0 places incorrect trust in the HTTP Host header during caching, if the administrator did not define a \"canonical\" URL on installation of concrete5 using the \"Advanced Options\" settings. Remote attackers can make a GET request with any domain name in the Host header; this is stored and allows for arbitrary domains to be set for certain links displayed to subsequent visitors, potentially an XSS vector.","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":["http://hyp3rlinx.altervista.org/advisories/CONCRETE5-v8.1.0-HOST-HEADER-INJECTION.txt","http://www.securityfocus.com/bid/97649","https://hackerone.com/reports/148300","https://packetstormsecurity.com/files/142145/concrete5-8.1.0-Host-Header-Injection.html","https://www.exploit-db.com/exploits/41885/"],"products":["concretecms:concrete_cms"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2017-7725","score":0.02752,"percentile":0.8622,"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."]}