{"affected":[{"affectedData":[{"collectionURL":"https://www.drupal.org/project/block_class","defaultStatus":"unaffected","product":"Block Class","repo":"https://git.drupalcode.org/project/block_class","vendor":"Drupal","versions":[{"lessThan":"4.0.1","status":"affected","version":"4.0.0","versionType":"semver"}]}],"source":"mlhess@drupal.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:four_kitchens:block_class:*:*:*:*:*:drupal:*:*","matchCriteriaId":"2191E01E-3F31-4FD0-A218-62D50AF6FB30","versionEndExcluding":"4.0.1","versionStartIncluding":"4.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Block Class allows Cross-Site Scripting (XSS).This issue affects Block Class: from 4.0.0 before 4.0.1."},{"lang":"es","value":"La vulnerabilidad de neutralización incorrecta de la entrada durante la generación de páginas web ('Cross-site Scripting') en Drupal Block Class permite la ejecución de Cross-site Scripting (XSS). Este problema afecta a la clase Block: desde la versión 4.0.0 hasta la 4.0.1."}],"id":"CVE-2025-3902","lastModified":"2026-06-17T09:20:53.607","metrics":{"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":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-3902","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-04-23T18:44:49.535556Z","version":"2.0.3"}}]},"published":"2025-04-23T17:16:55.983","references":[{"source":"mlhess@drupal.org","tags":["Vendor Advisory"],"url":"https://www.drupal.org/sa-contrib-2025-043"}],"sourceIdentifier":"mlhess@drupal.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"mlhess@drupal.org","type":"Secondary"}]}