{"id":"CVE-2015-4455","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-4455","generatedAt":"2026-11-05T04:45:50.580Z","title":"Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on For Gravity Forms plugin 3.0 beta for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then…","description":"Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on For Gravity Forms plugin 3.0 beta for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/gform_aviary.","published":"2017-05-23T04:29:00.000Z","lastModified":"2026-06-17T00:27:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["aviary image editor add-on for gravity forms project/aviary image editor add-on for gravity forms"],"epss":{"score":0.40595,"percentile":0.98654,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.18871,"percentile":0.97229},{"date":"2026-09-22","score":0.40595,"percentile":0.98587}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2015-06-12","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":37275,"kind":"exploit","title":"WordPress Plugin Aviary Image Editor Addon For Gravity Forms 3.0 Beta - Arbitrary File Upload","url":"https://www.exploit-db.com/exploits/37275","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/37275.txt","file":"exploits/php/webapps/37275.txt","published":"2015-06-12","added":"2015-06-12","updated":"2015-06-12","author":"Larry W. Cashdollar","type":"webapps","platform":"php","port":80,"verified":false,"codes":["CVE-2015-4455","OSVDB-123125"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://www.vapid.dhs.org/advisory.php?v=125"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 40.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.40595,"from":0.18871,"percentile":0.98587},"summary":"EPSS moved from 18.9% to 40.6% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.18871,"from":0.40595,"percentile":0.97229},"summary":"EPSS moved from 40.6% to 18.9% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/132256/WordPress-Aviary-Image-Editor-Add-On-For-Gravity-Forms-3.0-Beta-Shell-Upload.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.vapid.dhs.org/advisory.php?v=125","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/132256/WordPress-Aviary-Image-Editor-Add-On-For-Gravity-Forms-3.0-Beta-Shell-Upload.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vapid.dhs.org/advisory.php?v=125","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-4455","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."}