{"cve":{"cve_id":"CVE-2021-24147","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":0.00748,"epss_percentile":0.50074,"epss_as_of":"2026-06-23","description":"Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not sanitise the mic_comment field (Notes on time) when adding/editing an event, allowing users with privilege as low as author to add events with a Cross-Site Scripting payload in them, which will be triggered in the frontend when viewing the event.","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-79"],"nvd_references":["https://wpscan.com/vulnerability/0f9ba284-5d7e-4092-8344-c68316b0146f"],"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":[],"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":[],"news":[],"references":[{"url":"https://wpscan.com/vulnerability/0f9ba284-5d7e-4092-8344-c68316b0146f","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-03-18T14:57:50Z","label":"CVE published","source":null}]}