{"id":"CVE-2005-1820","url":"https://www.cyber-defence.io/tools/cve/CVE-2005-1820","generatedAt":"2026-10-27T18:33:18.451Z","title":"zboard.php in Zeroboard version 4.1pl2 to 4.1pl5 allows remote attackers to execute arbitrary PHP code via improper quoting when using the preg_replace function.","description":"zboard.php in Zeroboard version 4.1pl2 to 4.1pl5 allows remote attackers to execute arbitrary PHP code via improper quoting when using the preg_replace function.","published":"2005-06-01T04:00:00.000Z","lastModified":"2026-06-16T22:13:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":[],"affected":["zeroboard/zeroboard"],"epss":{"score":0.02657,"percentile":0.85567,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2005-05-31","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":1020,"kind":"exploit","title":"ZeroBoard 4.1 - 'preg_replace' Remote Nobody Shell","url":"https://www.exploit-db.com/exploits/1020","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/1020.c","file":"exploits/php/webapps/1020.c","published":"2005-05-31","added":"2005-05-30","updated":null,"author":"n0gada","type":"webapps","platform":"php","port":null,"verified":true,"codes":["OSVDB-16996","CVE-2005-1820"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://pandora.sapzil.info/text/notify/20050123.zb41advisory.php"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://pandora.sapzil.info/text/notify/20050123.zb41advisory.php","source":"cve@mitre.org"},{"url":"http://www.securiteam.com/exploits/5KP0V0AFPA.html","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/13823","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://pandora.sapzil.info/text/notify/20050123.zb41advisory.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securiteam.com/exploits/5KP0V0AFPA.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/13823","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2005-1820","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."}