[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJ5D9R3fSdYFqznoJ7TvQzO_GF6RR0d1W0odgosf0B3w":3,"g5a-risk:CVE-2021-26271":183},{"success":4,"data":5,"meta":181},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":28,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":81,"references":82,"referencesCount":102,"weaknesses":103,"weaknessesCount":112,"isActivelyExploited":113,"cisaInfo":28,"otxData":28,"relatedBlogPosts":114,"seoMetadata":115,"configurations":140,"relatedVendorCves":179,"notableEvents":180},"CVE-2021-26271","What is CVE-2021-26271?","It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).","It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific d...","2021-01-26T21:15:12.86","2021-12-01T16:16:59.177",6.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":28,"CVSSMetricV2":31,"CVSSMetricV40":28},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":29,"ImpactScore":30},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":27,"ExploitCodeMaturity":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"TemporalSeverity":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":26,"ModifiedAttackVector":28,"ModifiedAttackComplexity":28,"ModifiedPrivilegesRequired":28,"ModifiedUserInteraction":28,"ModifiedScope":28,"ModifiedConfidentialityImpact":28,"ModifiedIntegrityImpact":28,"ModifiedAvailabilityImpact":28,"EnvironmentalScore":28,"EnvironmentalSeverity":28},"3.1","NETWORK","LOW","NONE","REQUIRED","UNCHANGED","HIGH","MEDIUM",null,2.8,3.6,[32],{"Source":17,"Type":18,"CVSSData":33,"BaseSeverity":27,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":28,"ObtainAllPrivilege":28,"ObtainUserPrivilege":28,"ObtainOtherPrivilege":28,"UserInteractionRequired":4},{"Version":34,"VectorString":35,"AccessVector":21,"AccessComplexity":27,"Authentication":23,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":36,"BaseScore":37,"BaseSeverity":28,"Exploitability":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"CollateralDamagePotential":28,"TargetDistribution":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"EnvironmentalScore":28},"2.0","AV:N\u002FAC:M\u002FAu:N\u002FC:N\u002FI:N\u002FA:P","PARTIAL",4.3,8.6,2.9,0.0197,[40,40,40,40,40,40,40],"Medium",[44,48,53,56,59,62,65,68,71,74,78],{"vendor":45,"product":45,"version":46,"criteria":47,"vulnerable":4},"ckeditor","*","cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"oracle","agile_plm","9.3.5","cpe:2.3:a:oracle:agile_plm:9.3.5:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":54,"criteria":55,"vulnerable":4},"9.3.6","cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:*",{"vendor":49,"product":57,"version":46,"criteria":58,"vulnerable":4},"application_express","cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*",{"vendor":49,"product":60,"version":46,"criteria":61,"vulnerable":4},"financial_services_analytical_applications_infrastructure","cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*",{"vendor":49,"product":60,"version":63,"criteria":64,"vulnerable":4},"8.1.0","cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.0:*:*:*:*:*:*:*",{"vendor":49,"product":60,"version":66,"criteria":67,"vulnerable":4},"8.1.1","cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.1:*:*:*:*:*:*:*",{"vendor":49,"product":69,"version":46,"criteria":70,"vulnerable":4},"jd_edwards_enterpriseone_tools","cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*",{"vendor":49,"product":72,"version":46,"criteria":73,"vulnerable":4},"siebel_ui_framework","cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:*",{"vendor":49,"product":75,"version":76,"criteria":77,"vulnerable":4},"webcenter_sites","12.2.1.3.0","cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*",{"vendor":49,"product":75,"version":79,"criteria":80,"vulnerable":4},"12.2.1.4.0","cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*",11,[83,88,94,99],{"url":84,"source":85,"tags":86},"https:\u002F\u002Fckeditor.com\u002Fblog\u002FCKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API\u002F#security-comes-first","Ckeditor",[87],"Vendor 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Without sufficient protection mechanisms, the functionality could be malicious in nature (either by coming from an untrusted source, being spoofed, or being modified in transit from a trusted source). The functionality might also contain its own weaknesses, or grant access to additional functionality and state information that should be kept private to the base system, such as system state information, sensitive application data, or the DOM of a web application.\nThis might lead to many different consequences depending on the included functionality, but some examples include injection of malware, information exposure by granting excessive privileges or permissions to the untrusted functionality, DOM-based XSS vulnerabilities, stealing user's cookies, or open redirect to malware (CWE-601).","Incomplete","Base","Simple",1,false,[],{"title":116,"metaDescription":117,"keywords":118,"canonicalUrl":119,"structuredData":120},"What is CVE-2021-26271? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-26271, a medium severity cyber security vulnerability from 2021. It was possible to execute a ReDoS-type attack inside CKE...","CVE-2021-26271, CVE-2021-26271 vulnerability, CVE-2021-26271 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, ckeditor security, oracle security, ckeditor vulnerability, agile_plm vulnerability, application_express vulnerability, financial_services_analytical_applications_infrastructure vulnerability, jd_edwards_enterpriseone_tools vulnerability","\u002Fwhat-is\u002Fcve-2021-26271",{"@context":121,"@type":122,"headline":116,"description":117,"datePublished":10,"dateModified":11,"author":123,"publisher":127,"about":131,"mainEntityOfPage":135,"articleSection":138,"keywords":139},"https:\u002F\u002Fschema.org","TechArticle",{"@type":124,"name":125,"url":126},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":124,"name":125,"url":126,"logo":128},{"@type":129,"url":130},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":132,"name":6,"description":133,"additionalType":134},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":136,"@id":137},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-26271","Cybersecurity","CVE-2021-26271, CVE-2021-26271 vulnerability, CVE-2021-26271 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[141,150],{"Operator":28,"Negate":28,"Nodes":142},[143],{"Operator":144,"Negate":28,"CPEMatch":145},"OR",[146],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":147,"VersionStartExcluding":28,"VersionStartIncluding":148,"VersionEndExcluding":149,"VersionEndIncluding":28},"4C5F969A-06A2-4D84-B7DF-1CE68E285C0F","4.0","4.16",{"Operator":28,"Negate":28,"Nodes":151},[152],{"Operator":144,"Negate":28,"CPEMatch":153},[154,156,158,161,165,167,169,172,175,177],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":155,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"ED43772F-D280-42F6-A292-7198284D6FE7",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":157,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"C650FEDB-E903-4C2D-AD40-282AB5F2E3C2",{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":159,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":160,"VersionEndIncluding":28},"6B4D758F-EABD-498C-9C9E-C3F35927F7DC","21.1.0",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":162,"VersionStartExcluding":28,"VersionStartIncluding":163,"VersionEndExcluding":28,"VersionEndIncluding":164},"40F940AA-05BE-426C-89A3-4098E107D9A7","8.0.6","8.0.9",{"Vulnerable":4,"Criteria":64,"MatchCriteriaID":166,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"6FB8AE1F-FA6B-4A5E-AA5B-D0B7C78FE886",{"Vulnerable":4,"Criteria":67,"MatchCriteriaID":168,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"41C2C67B-BF55-4B48-A94D-1F37A4FAC68C",{"Vulnerable":4,"Criteria":70,"MatchCriteriaID":170,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":171,"VersionEndIncluding":28},"86305E47-33E9-411C-B932-08C395C09982","9.2.6.0",{"Vulnerable":4,"Criteria":73,"MatchCriteriaID":173,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":174,"VersionEndIncluding":28},"D2B15024-E757-443B-8424-BBF0A28C3753","21.9",{"Vulnerable":4,"Criteria":77,"MatchCriteriaID":176,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"D551CAB1-4312-44AA-BDA8-A030817E153A",{"Vulnerable":4,"Criteria":80,"MatchCriteriaID":178,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"174A6D2E-E42E-4C92-A194-C6A820CD7EF4",[],[],{"lastModified":11,"cacheTime":182,"version":34},1792265392674,{"score":184,"band":185,"action":186,"scoredAt":187},23,"Low","Monitor","2026-10-16T06:50:23.91896+00:00"]