{"cve":"CVE-2011-4450","nvd":{"published":"2012-09-05T20:55:01.193","modified":"2026-06-16T23:34:54.377","status":"Modified","description":"Directory traversal vulnerability in handlers/files.xml/files.xml.php in WikkaWiki 1.3.1 and 1.3.2 allows remote attackers to read or delete arbitrary files via a non-initial .. (dot dot) in the file parameter, as demonstrated by the /../../wikka.config.php pathname in a download action.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-22"],"references":["http://wush.net/trac/wikka/changeset/1828","http://wush.net/trac/wikka/ticket/1097","http://wush.net/trac/wikka/changeset/1828","http://wush.net/trac/wikka/ticket/1097"],"products":["wikkawiki:wikkawiki"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2011-4450","score":0.07476,"percentile":0.94473,"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."]}