{"action":"Upgrade october/backend to 1.0.469 or later.","affected":[{"fixed":"1.0.469","introduced":"1.0.319"}],"component":"october/backend","cve_ids":["CVE-2020-15249"],"ecosystem":"Packagist","epss":0.00465,"exploited":false,"fixed_versions":["1.0.469"],"ghsa_id":"GHSA-fx3v-553x-3c4q","id":"tcs_01M5KF24H9NW5TZ7Q8VP4KXFCX","modified_at":"2026-07-08T06:27:24.116359836Z","published_at":"2020-11-23T19:47:59Z","references":["https://osv.dev/vulnerability/GHSA-fx3v-553x-3c4q","https://github.com/octobercms/october/security/advisories/GHSA-fx3v-553x-3c4q","https://nvd.nist.gov/vuln/detail/CVE-2020-15249","https://github.com/octobercms/library/commit/80aab47f044a2660aa352450f55137598f362aa4"],"severity":{"label":"low","score":2.8},"sources":[{"source":"osv","source_id":"GHSA-fx3v-553x-3c4q","url":"https://osv.dev/vulnerability/GHSA-fx3v-553x-3c4q"}],"summary":"Stored XSS by authenticated backend user with access to upload files"}