{"api_version":"1","generated_at":"2026-07-23T15:03:02+00:00","cve":"CVE-2021-42838","urls":{"html":"https://cve.report/CVE-2021-42838","api":"https://cve.report/api/cve/CVE-2021-42838.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-42838","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-42838"},"summary":{"title":"CVE-2021-42838","description":"Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.","state":"PUBLIC","assigner":"cve@cert.org.tw","published_at":"2021-11-15 10:15:00","updated_at":"2021-11-16 17:37:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.html","name":"https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.html","refsource":"MISC","tags":[],"title":"TWCERT/CC台灣電腦網路危機處理暨協調中心-欣學英資訊 webopac7 - Reflected XSS","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-42838","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42838","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"42838","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"vice","cpe5":"webopac","cpe6":"1.8.20160701","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"42838","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"vice","cpe5":"webopac","cpe6":"7.1.20160701","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"AKA":"TWCERT/CC","ASSIGNER":"cve@cert.org.tw","DATE_PUBLIC":"2021-11-15T09:18:00.000Z","ID":"CVE-2021-42838","STATE":"PUBLIC","TITLE":"Grand Vice info Co. webopac7 - Reflected XSS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"webopac7","version":{"version_data":[{"version_affected":"=","version_value":"7.1.20160701"},{"version_affected":"=","version_value":"1.8.20160701"}]}}]},"vendor_name":"Grand Vice info Co."}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Cross-site Scripting (XSS)"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.html","name":"https://www.twcert.org.tw/tw/cp-132-5286-b92c8-1.html"}]},"solution":[{"lang":"eng","value":"Contact tech support from Grand Vice info Co."}],"source":{"advisory":"TVN-202111003","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-11-15 10:15:00","lastModifiedDate":"2021-11-16 17:37:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:vice:webopac:1.8.20160701:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:vice:webopac:7.1.20160701:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"42838","Ordinal":"219347","Title":"CVE-2021-42838","CVE":"CVE-2021-42838","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"42838","Ordinal":"1","NoteData":"Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"42838","Ordinal":"2","NoteData":"2021-11-15","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"42838","Ordinal":"3","NoteData":"2021-11-15","Type":"Other","Title":"Modified"}]}}}