{"cve":"CVE-2018-10891","nvd":{"published":"2018-07-10T18:29:00.313","modified":"2026-06-17T01:34:51.257","status":"Modified","description":"A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-20"],"references":["http://www.securityfocus.com/bid/104739","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891","https://moodle.org/mod/forum/discuss.php?d=373371","http://www.securityfocus.com/bid/104739","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891"],"products":["moodle:moodle"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2018-10891","score":0.02064,"percentile":0.81371,"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."]}