{"cve":"CVE-2018-11323","nvd":{"published":"2018-05-22T15:29:00.323","modified":"2026-06-17T01:35:43.263","status":"Modified","description":"An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify the access levels of user groups with higher permissions.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-269"],"references":["http://www.securityfocus.com/bid/104276","http://www.securitytracker.com/id/1040966","https://developer.joomla.org/security-centre/729-20180501-core-acl-violation-in-access-levels.html","http://www.securityfocus.com/bid/104276","http://www.securitytracker.com/id/1040966"],"products":["joomla:joomla\\!"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2018-11323","score":0.02663,"percentile":0.85712,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}