{"metadata": {"vulnerability": "CVE-2017-20290", "count": 17, "kinds": {"milestone": 4, "sighting": 2, "kev": 5, "other": 6}}, "data": [{"timestamp": "2017-10-09T00:00:00Z", "date_only": false, "value": "2017-10-09T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / VulnCheck", "record": "CVE-2017-20290", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-14T20:25:25.755Z", "date_only": false, "value": "2026-10-14T20:25:25.755Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2017-20290", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-22T10:57:24.711Z", "date_only": false, "value": "2026-10-22T10:57:24.711Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2017-20290", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-22T10:57:24.711Z", "date_only": false, "value": "2026-10-22T10:57:24.711Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2017-20290", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-22T10:57:24.711Z", "date_only": false, "value": "2026-10-22T10:57:24.711Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / VulnCheck", "record": "CVE-2017-20290", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-22T11:05:46.382Z", "date_only": false, "value": "2026-10-22T11:05:46.382226Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117484233795337299", "record": "CVE-2017-20290", "field": "creation_timestamp", "uuid": "a6fb54b0-f7eb-4035-b266-fa952851b248", "content": "CVE-2017-20290 Discourse < 1.9.0.beta13 Reflected XSS via /email/unsubscribed Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the email parameter of /email/unsubscribed. Attackers can craft GET requests with SVG onload payloads, which unsubscribed.html.erb renders unescaped via html_safe, executing JavaScript in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.\nhttps://www.cve.org/CVERecord?id=CVE-2017-20290https://github.com/discourse/discourse/commit/a6f2533d38https://github.com/discourse/discourse/commit/6e37f09b19https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/discourse-xss.yamlhttps://www.vulncheck.com/advisories/discourse-1.9.0-beta13-reflected-xss-via-email-unsubscribed#Discourse#CVE_2017_20290#bot", "url": "https://infosec.exchange/users/cve/statuses/117484233795337299"}, {"timestamp": "2026-10-22T11:10:50Z", "date_only": false, "value": "2026-10-22T11:10:50+00:00", "kind": "kev", "label": "Asserted", "source": "previdian", "record": "CVE-2017-20290", "field": "timestamps.asserted_at", "metric_role": "exploitation_report", "metric_basis": "kev_report", "batch_listing": true, "uuid": "dfc7d6ff-7b9d-48b1-8fe9-654177657bdb", "status": {"status_reason": "confirmed", "exploited": true}}, {"timestamp": 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