{"id":"CVE-2021-24252","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-24252","generatedAt":"2026-10-28T02:58:42.274Z","title":"The Event Banner WordPress plugin through 1.3 does not verify the uploaded image file, allowing admin accounts to upload arbitrary files, such as .exe, .php, or others executable, leading to RCE.","description":"The Event Banner WordPress plugin through 1.3 does not verify the uploaded image file, allowing admin accounts to upload arbitrary files, such as .exe, .php, or others executable, leading to RCE. Due to the lack of CSRF check, the issue can also be used via such vector to achieve the same result, or via a LFI as authorisation checks are missing (but would require WP to be loaded)","published":"2021-05-06T13:15:12.000Z","lastModified":"2026-06-17T03:39:43.000Z","status":"Modified","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["wp-eventmanager/event banner"],"epss":{"score":0.01678,"percentile":0.76739,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/Event%20Banner.md","tags":["Broken Link"],"source":"contact@wpscan.com"},{"url":"https://wpscan.com/vulnerability/91e81c6d-f24d-4f87-bc13-746715af8f7c","tags":["Exploit","Third Party Advisory"],"source":"contact@wpscan.com"},{"url":"https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/Event%20Banner.md","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpscan.com/vulnerability/91e81c6d-f24d-4f87-bc13-746715af8f7c","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-24252","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."}