{"cve":"CVE-2004-2363","nvd":{"published":"2004-12-31T05:00:00.000","modified":"2026-06-16T22:09:30.987","status":"Modified","description":"Validate-Before-Canonicalize vulnerability in the checkURI function in functions.inc.php in PHPX 3.0 through 3.2.6 allows remote attackers to conduct cross-site scripting (XSS) attacks via hex-encoded tags, which bypass the check for literal \"<\", \">\", \"(\", and \")\" characters, as demonstrated using the limit parameter to forums.php and a variety of other vectors.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.phpx.org/project.php?action=view&project_id=1","http://www.securityfocus.com/archive/1/362230","http://www.securityfocus.com/bid/10283","https://exchange.xforce.ibmcloud.com/vulnerabilities/16065","http://www.phpx.org/project.php?action=view&project_id=1"],"products":["phpx:phpx"],"source":"nvd","synced_at":"2026-10-19T19:38:22.000386253+00:00"},"epss":{"cve":"CVE-2004-2363","score":0.01849,"percentile":0.79102,"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."]}