{"cve":{"cve_id":"CVE-2021-24145","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.88158,"epss_percentile":0.99754,"epss_as_of":"2026-08-26","description":"Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.","published_at":"2021-03-18T14:57:50Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-434"],"nvd_references":["https://wpscan.com/vulnerability/f42cc26b-9aab-4824-8168-b5b8571d1610","http://packetstormsecurity.com/files/163346/WordPress-Modern-Events-Calendar-5.16.2-Shell-Upload.html","http://packetstormsecurity.com/files/163672/WordPress-Modern-Events-Calendar-Remote-Code-Execution.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:15:09.250437Z"},"effective_severity":null,"badges":["exploit","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"modern-events-calendar-lite","product_name":"Modern Events Calendar Lite","version_start":"5.16.5","version_start_inclusive":true,"version_end":"5.16.5","version_end_inclusive":false,"cpe23_uri":"cve5:unknown:modern-events-calendar-lite:5.16.5:5.16.5"}],"exploit_refs":[{"source":"exploit-db","kind":"exploit-db","url":"https://www.exploit-db.com/exploits/50082","title":"Wordpress Plugin Modern Events Calendar 5.16.2 - Remote Code Execution (Authenticated)","author":"Ron Jost","disclosed_at":"2021-07-02"},{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24145.yaml","title":"WordPress Modern Events Calendar Lite <5.16.5 - Authenticated Arbitrary File Upload","author":"theamanrawat","disclosed_at":null}],"news":[],"references":[{"url":"https://wpscan.com/vulnerability/f42cc26b-9aab-4824-8168-b5b8571d1610","source_type":"MISC","tags":[]},{"url":"http://packetstormsecurity.com/files/163346/WordPress-Modern-Events-Calendar-5.16.2-Shell-Upload.html","source_type":"EXPLOIT","tags":["exploit"]},{"url":"http://packetstormsecurity.com/files/163672/WordPress-Modern-Events-Calendar-Remote-Code-Execution.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2021-03-18T14:57:50Z","label":"CVE published","source":null},{"type":"exploit_known","at":"2021-07-02T00:00:00Z","label":"Public exploit available","source":"exploit-db"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"}]}