{"id":"CVE-2011-3858","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-3858","generatedAt":"2026-10-27T17:58:34.996Z","title":"Cross-site scripting (XSS) vulnerability in the Pixiv Custom theme before 2.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.","description":"Cross-site scripting (XSS) vulnerability in the Pixiv Custom theme before 2.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.","published":"2011-09-28T10:55:04.000Z","lastModified":"2026-06-16T23:34:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-79"],"affected":["zespia/pixiv custom"],"epss":{"score":0.0353,"percentile":0.89171,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2011-09-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":36185,"kind":"exploit","title":"WordPress Theme Pixiv Custom Theme 2.1.5 - 'cpage' Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/36185","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/36185.txt","file":"exploits/php/webapps/36185.txt","published":"2011-09-29","added":"2011-09-29","updated":"2015-02-26","author":"SiteWatch","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2011-3858","OSVDB-75953"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/49875/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 3.5%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"https://sitewat.ch/en/Advisories/16","tags":["Exploit","URL Repurposed"],"source":"cve@mitre.org"},{"url":"https://sitewat.ch/en/Advisories/16","tags":["Exploit","URL Repurposed"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-3858","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}