{"cve":"CVE-2026-107396","nvd":{"published":"2026-10-08T20:17:34.417","modified":"2026-10-09T16:17:23.047","status":"Deferred","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to 3.3.13, users who can manage events or create content, including speakers who can upload material, can store crafted javascript URLs in fields that accept custom URLs. A user who follows one of these URLs can execute attacker-controlled script in the user's browser in the Indico origin. This issue is fixed in version 3.3.13.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-692"],"references":["https://github.com/indico/indico/commit/d4c8c7127176efa4cb53c64119ca8ee2b551be18","https://github.com/indico/indico/pull/7619","https://github.com/indico/indico/releases/tag/v3.3.13","https://github.com/indico/indico/security/advisories/GHSA-c4wc-ggrj-jg9v"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:58:01.639778232+00:00"},"epss":{"cve":"CVE-2026-107396","score":0.00195,"percentile":0.0913,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-c4wc-ggrj-jg9v","url":"https://osv.dev/vulnerability/GHSA-c4wc-ggrj-jg9v","summary":"Indico: Cross-Site-Scripting in link fields","modified":"2026-10-15T14:56:15.886871416Z","packages":[{"ecosystem":"PyPI","name":"indico","purl":"pkg:pypi/indico","ranges":["<3.3.13"],"fixed":["3.3.13"]}]},{"id":"PYSEC-2026-4227","url":"https://osv.dev/vulnerability/PYSEC-2026-4227","summary":"Indico: Cross-Site-Scripting in link fields","modified":"2026-10-15T14:45:06.437076302Z","packages":[{"ecosystem":"PyPI","name":"indico","purl":"pkg:pypi/indico","ranges":["<3.3.13"],"fixed":["3.3.13"]}]}],"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."]}