{"cve":"CVE-2009-4813","nvd":{"published":"2010-04-27T15:30:00.640","modified":"2026-06-16T23:14:24.447","status":"Modified","description":"Cross-site scripting (XSS) vulnerability in myps.php in MyBB (aka MyBulletinBoard) 1.4.10 allows remote attackers to inject arbitrary web script or HTML via the username parameter in a donate action.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://osvdb.org/61298","http://secunia.com/advisories/37910","http://www.exploit-db.com/exploits/10622","http://www.securityfocus.com/bid/37464","http://osvdb.org/61298"],"products":["mybb:mybb"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4813","score":0.01452,"percentile":0.73405,"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."]}