{"id":"CVE-2015-3440","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-3440","generatedAt":"2026-11-05T06:03:59.219Z","title":"Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.","description":"Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.","published":"2015-08-03T14:59:00.000Z","lastModified":"2026-06-17T00:25:56.000Z","status":"Modified","sourceIdentifier":"security@debian.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":["debian/debian linux","wordpress/wordpress"],"epss":{"score":0.16889,"percentile":0.97061,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2015-04-27","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":36844,"kind":"exploit","title":"WordPress Core 4.2 - Persistent Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/36844","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/36844.txt","file":"exploits/php/webapps/36844.txt","published":"2015-04-27","added":"2015-04-27","updated":"2017-05-04","author":"klikki","type":"webapps","platform":"php","port":null,"verified":true,"codes":["OSVDB-121320","CVE-2015-3440"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comWordPress-4.2.zip","screenshotUrl":null,"referenceUrl":"http://klikki.fi/adv/wordpress2.html"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 16.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://codex.wordpress.org/Version_4.2.1","source":"security@debian.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html","source":"security@debian.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html","source":"security@debian.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html","source":"security@debian.org"},{"url":"http://osvdb.org/show/osvdb/121320","source":"security@debian.org"},{"url":"http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html","tags":["Exploit"],"source":"security@debian.org"},{"url":"http://seclists.org/fulldisclosure/2015/Apr/84","tags":["Exploit"],"source":"security@debian.org"},{"url":"http://www.debian.org/security/2015/dsa-3250","source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/74334","source":"security@debian.org"},{"url":"http://www.securitytracker.com/id/1032199","source":"security@debian.org"},{"url":"https://core.trac.wordpress.org/changeset/32299","source":"security@debian.org"},{"url":"https://klikki.fi/adv/wordpress2.html","tags":["Exploit"],"source":"security@debian.org"},{"url":"https://wordpress.org/news/2015/04/wordpress-4-2-1/","tags":["Patch","Vendor Advisory"],"source":"security@debian.org"},{"url":"https://wpvulndb.com/vulnerabilities/7945","source":"security@debian.org"},{"url":"https://www.exploit-db.com/exploits/36844/","tags":["Exploit"],"source":"security@debian.org"},{"url":"http://codex.wordpress.org/Version_4.2.1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/show/osvdb/121320","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2015/Apr/84","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3250","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/74334","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032199","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://core.trac.wordpress.org/changeset/32299","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://klikki.fi/adv/wordpress2.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wordpress.org/news/2015/04/wordpress-4-2-1/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpvulndb.com/vulnerabilities/7945","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/36844/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3440","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."}