{"id":"CVE-2011-4451","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4451","generatedAt":"2026-11-05T08:10:50.205Z","title":"libs/Wakka.class.php in WikkaWiki 1.3.1 and 1.3.2, when the spam_logging option is enabled, allows remote attackers to write arbitrary PHP code to the spamlog_path file via the User-Agent HTTP header in an addcomment request.","description":"libs/Wakka.class.php in WikkaWiki 1.3.1 and 1.3.2, when the spam_logging option is enabled, allows remote attackers to write arbitrary PHP code to the spamlog_path file via the User-Agent HTTP header in an addcomment request.  NOTE: the vendor disputes this issue because the rendering of the spamlog_path file never uses the PHP interpreter","published":"2012-09-05T20:55:01.000Z","lastModified":"2026-06-16T23:34:54.000Z","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":[],"affected":["wikkawiki/wikkawiki"],"epss":{"score":0.1417,"percentile":0.96591,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2011-11-30","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":18177,"kind":"exploit","title":"WikkaWiki 1.3.2 - Multiple Vulnerabilities","url":"https://www.exploit-db.com/exploits/18177","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/18177.txt","file":"exploits/php/webapps/18177.txt","published":"2011-11-30","added":"2011-11-30","updated":"2016-12-18","author":"EgiX","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2011-4452","CVE-2011-4451","CVE-2011-4450","CVE-2011-4449","CVE-2011-4448","OSVDB-77394","OSVDB-77393","OSVDB-77392","OSVDB-77391","OSVDB-77390"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comWikka-1.3.2.zip","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 14.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://wush.net/trac/wikka/ticket/1098","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://wush.net/trac/wikka/ticket/1098","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4451","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."}