{"id":"GO-2026-5804","summary":"Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing in github.com/umputun/remark42","details":"Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing in github.com/umputun/remark42","aliases":["CVE-2026-48788","GHSA-4c8j-mgm4-qqvp"],"modified":"2026-07-07T16:01:34.714025374Z","published":"2026-07-07T15:26:32Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5804","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/umputun/remark42/security/advisories/GHSA-4c8j-mgm4-qqvp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48788"},{"type":"FIX","url":"https://github.com/umputun/remark42/commit/78d6de6bce1e961f023969da3ec8a00dd80c9ae8"},{"type":"WEB","url":"https://github.com/umputun/remark42/releases/tag/v1.16.0"}],"affected":[{"package":{"name":"github.com/umputun/remark42","ecosystem":"Go","purl":"pkg:golang/github.com/umputun/remark42"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.6.0"},{"fixed":"1.16.0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5804.json"}}],"schema_version":"1.7.5"}