{"id":"CVE-2021-24252","aliases":["EUVD-2021-11166","GHSA-4r26-734p-358q"],"status":"published","title":"Event Banner \u003c= 1.3 - Arbitrary File Upload 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)","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01678,"percentile":0.77092,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-05-05T18:39:43Z","modified":"2026-06-17T03:39:42Z","products":[{"vendor":"unknown","product":"event banner"},{"vendor":"wp-eventmanager","product":"event_banner"}],"references":[{"url":"https://wpscan.com/vulnerability/91e81c6d-f24d-4f87-bc13-746715af8f7c","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/Event%20Banner.md","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24252"},{"url":"https://github.com/advisories/GHSA-4r26-734p-358q"}],"sources":{"cve":[{"id":"CVE-2021-24252","title":"Event Banner \u003c= 1.3 - Arbitrary File Upload 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)","status":"published","published":"2021-05-05T18:39:43Z","modified":"2024-08-03T19:28:22.564Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11166","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)","status":"published","published":"2021-05-05T18:39:43Z","modified":"2024-08-03T19:28:22Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-4r26-734p-358q","title":"The Event Banner WordPress plugin through 1.3 does not verify the uploaded image file, allowing...","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)","status":"published","published":"2022-05-24T19:01:31Z","modified":"2023-01-30T05:01:47Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:29.327755Z"}],"nvd":[{"id":"CVE-2021-24252","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)","status":"published","published":"2021-05-06T13:15:11.757Z","modified":"2026-06-17T03:39:42.567Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}