{"id":"CVE-2023-50767","aliases":["GHSA-9vrm-747r-668v"],"url":"https://o3.security/vulnerability/CVE-2023-50767","summary":"Jenkins Nexus Platform Plugin missing permission check","details":"Jenkins Nexus Platform Plugin 3.18.0-03 and earlier does not perform permission checks in methods implementing form validation.\n\nThis allows attackers with Overall/Read permission to send an HTTP request to an attacker-specified URL and parse the response as XML.\n\nAdditionally, the plugin does not configure its XML parser to prevent XML external entity (XXE) attacks, so attackers can have Jenkins parse a crafted XML response that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.\n\nAdditionally, these form validation methods do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.\n\nNexus Platform Plugin 3.18.1-01 configures its XML parser to prevent XML external entity (XXE) attacks.\n\nAdditionally, POST requests and Overall/Administer permission are required for the affected HTTP endpoints.","published":"2023-12-13T18:15:43.890Z","modified":"2026-10-24T10:30:49.387641699Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},"epss":{"score":0.0044,"percentile":0.36801,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.sonatype.nexus.ci:nexus-jenkins-plugin","fixedVersion":"3.18.1-01"}],"fix":{"url":"https://github.com/jenkinsci/nexus-platform-plugin/pull/291","label":"jenkinsci/nexus-platform-plugin#291"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3204"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2023/12/13/4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50767"},{"type":"WEB","url":"https://github.com/jenkinsci/nexus-platform-plugin/pull/291"},{"type":"WEB","url":"https://github.com/jenkinsci/nexus-platform-plugin/commit/1d5e1e9e457af5e8ce8c9a403933d6cb73542dbd"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/nexus-platform-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:49.387641699Z"}}