{"action":"Upgrade github.com/prometheus/alertmanager to 0.25.1 or later.","affected":[{"fixed":"0.25.1","introduced":"0"}],"component":"github.com/prometheus/alertmanager","cve_ids":["CVE-2023-40577"],"ecosystem":"Go","epss":0.00634,"exploited":false,"fixed_versions":["0.25.1"],"ghsa_id":"GHSA-v86x-5fm3-5p7j","id":"tcs_01M5KFNSAGMDAWRA8RRMAY772K","modified_at":"2026-09-10T03:49:57.764922277Z","published_at":"2023-08-23T20:42:43Z","references":["https://osv.dev/vulnerability/GHSA-v86x-5fm3-5p7j","https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j","https://nvd.nist.gov/vuln/detail/CVE-2023-40577","https://github.com/prometheus/alertmanager","https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-v86x-5fm3-5p7j","url":"https://osv.dev/vulnerability/GHSA-v86x-5fm3-5p7j"}],"summary":"Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint"}