{"affected":[{"affectedData":[{"product":"Welcart e-Commerce","vendor":"Collne Inc.","versions":[{"status":"affected","version":"versions prior to 2.2.4"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:welcart:welcart_e-commerce:1.5.2:*:*:*:*:wordpress:*:*","matchCriteriaId":"F6A1CBF5-EBBE-44D9-8C29-B63F6CD18892","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Cross-site scripting vulnerability in Welcart e-Commerce versions prior to 2.2.4 allows remote attackers to inject arbitrary script or HTML via unspecified vectors."},{"lang":"es","value":"Una vulnerabilidad de tipo cross-site scripting en Welcart e-Commerce versiones anteriores a 2.2.4, permite a atacantes remotos inyectar un script o HTML arbitrario por medio de vectores no especificados"}],"id":"CVE-2021-20734","lastModified":"2026-06-17T03:34:20.453","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-06-22T02:15:07.180","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN70566757/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Vendor Advisory"],"url":"https://www.welcart.com/archives/14039.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN70566757/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.welcart.com/archives/14039.html"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"nvd@nist.gov","type":"Primary"}]}