{"schema_version":"1.7.3","id":"GO-2026-4277","published":"2026-01-12T17:39:39Z","modified":"2026-01-12T18:11:10.248518Z","aliases":["CVE-2026-21483","GHSA-jmr4-p576-v565"],"summary":"listmonk Vulnerable to Stored XSS Leading to Admin Account Takeover in github.com/knadh/listmonk","details":"listmonk Vulnerable to Stored XSS Leading to Admin Account Takeover in github.com/knadh/listmonk.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/knadh/listmonk from v1.1.1 before v6.0.0.","affected":[{"package":{"name":"github.com/knadh/listmonk","ecosystem":"Go","purl":"pkg:golang/github.com/knadh/listmonk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.1-0.20251231125615-74dc5a01cfbb"}]}],"ecosystem_specific":{"custom_ranges":[{"events":[{"introduced":"1.1.1"},{"fixed":"6.0.0"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4277.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/knadh/listmonk/security/advisories/GHSA-jmr4-p576-v565"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21483"},{"type":"FIX","url":"https://github.com/knadh/listmonk/commit/74dc5a01cfbb12cf218cb33ddad8410c53e2e915"},{"type":"WEB","url":"https://github.com/knadh/listmonk/releases/tag/v6.0.0"}],"database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4277"}}