{"cve":{"cve_id":"CVE-2021-24452","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":0.01996,"epss_percentile":0.78127,"epss_as_of":"2026-06-23","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","published_at":"2021-07-19T10:53:17Z","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/3e855e09-056f-45b5-89a9-d644b7d8c9d0"],"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":"2026-06-28T23:15:10.645475Z"},"effective_severity":null,"badges":["poc"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"boldgrid","vendor_name":"boldgrid","product_slug":"w3-total-cache","product_name":"W3 Total Cache","version_start":"2.1.5","version_start_inclusive":true,"version_end":"2.1.5","version_end_inclusive":false,"cpe23_uri":"cve5:boldgrid:w3-total-cache:2.1.5:2.1.5"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24452.yaml","title":"WordPress W3 Total Cache <2.1.5 - Cross-Site Scripting","author":"theamanrawat","disclosed_at":null}],"news":[],"references":[{"url":"https://wpscan.com/vulnerability/3e855e09-056f-45b5-89a9-d644b7d8c9d0","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-07-19T10:53:17Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"}]}