{"schema_version":1,"title":"showdown (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in showdown (npm): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59710, was published on 6 July 2026.","url":"https://junglewise.ai/threats/technologies/showdown","json_url":"https://junglewise.ai/threats/technologies/showdown.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/showdown","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":2},"latest":[{"cve":"CVE-2026-59710","cvss":6.1,"epss":0.0034,"slug":"cve-2026-59710-showdown-stored-xss-in-table-header-id-attributes","title":"Showdown stored XSS in table header ID attributes","severity":"medium","exploited":false,"published_at":"2026-07-06T22:16:50.977+00:00","url":"https://junglewise.ai/threats/cve-2026-59710-showdown-stored-xss-in-table-header-id-attributes"},{"cve":"CVE-2026-59711","cvss":6.1,"epss":0.0033,"slug":"cve-2026-59711-showdownjs-showdown-xss-in-metadata-title-handling","title":"showdownjs showdown XSS in metadata title handling","severity":"medium","exploited":false,"published_at":"2026-07-06T21:16:58.66+00:00","url":"https://junglewise.ai/threats/cve-2026-59711-showdownjs-showdown-xss-in-metadata-title-handling"},{"cve":"CVE-2024-1899","cvss":5.3,"epss":0.0081,"slug":"cve-2024-1899-showdown-vulnerable-to-regular-expression-denial-of-service-redos","title":"Showdown vulnerable to Regular Expression Denial of Service (ReDoS) in link/anchor parsing","severity":"medium","exploited":false,"published_at":"2024-02-26T21:31:36+00:00","url":"https://junglewise.ai/threats/cve-2024-1899-showdown-vulnerable-to-regular-expression-denial-of-service-redos"},{"cvss":3.1,"slug":"showdown-reverse-tabnabbing-in-anchor-tags-ec12f775","title":"showdown reverse tabnabbing in anchor tags","severity":"low","exploited":false,"published_at":"2020-09-03T23:21:16+00:00","url":"https://junglewise.ai/threats/showdown-reverse-tabnabbing-in-anchor-tags-ec12f775"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"flowise (npm)","slug":"flowise","vulnerabilities":156,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/budibase-server"},{"name":"directus (npm)","slug":"directus","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":55,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"hono (npm)","slug":"hono","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"dompurify (npm)","slug":"dompurify","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/dompurify"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"flowise-components (npm)","slug":"flowise-components","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/flowise-components"},{"name":"astro (npm)","slug":"astro","vulnerabilities":30,"url":"https://junglewise.ai/threats/technologies/astro"},{"name":"@anthropic-ai/claude-code (npm)","slug":"anthropic-ai-claude-code","vulnerabilities":28,"url":"https://junglewise.ai/threats/technologies/anthropic-ai-claude-code"}],"technology":{"hub":true,"name":"showdown (npm)","slug":"showdown","vendor":{"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"homepage":"https://showdownjs.com/","repo_url":"https://github.com/showdownjs/showdown","description":"A bidirectional Markdown to HTML converter written in JavaScript.","url":"https://junglewise.ai/threats/technologies/showdown"},"most_severe":[{"cve":"CVE-2026-59710","cvss":6.1,"epss":0.0034,"slug":"cve-2026-59710-showdown-stored-xss-in-table-header-id-attributes","title":"Showdown stored XSS in table header ID attributes","severity":"medium","exploited":false,"published_at":"2026-07-06T22:16:50.977+00:00","url":"https://junglewise.ai/threats/cve-2026-59710-showdown-stored-xss-in-table-header-id-attributes"},{"cve":"CVE-2026-59711","cvss":6.1,"epss":0.0033,"slug":"cve-2026-59711-showdownjs-showdown-xss-in-metadata-title-handling","title":"showdownjs showdown XSS in metadata title handling","severity":"medium","exploited":false,"published_at":"2026-07-06T21:16:58.66+00:00","url":"https://junglewise.ai/threats/cve-2026-59711-showdownjs-showdown-xss-in-metadata-title-handling"},{"cve":"CVE-2024-1899","cvss":5.3,"epss":0.0081,"slug":"cve-2024-1899-showdown-vulnerable-to-regular-expression-denial-of-service-redos","title":"Showdown vulnerable to Regular Expression Denial of Service (ReDoS) in link/anchor parsing","severity":"medium","exploited":false,"published_at":"2024-02-26T21:31:36+00:00","url":"https://junglewise.ai/threats/cve-2024-1899-showdown-vulnerable-to-regular-expression-denial-of-service-redos"},{"cvss":3.1,"slug":"showdown-reverse-tabnabbing-in-anchor-tags-ec12f775","title":"showdown reverse tabnabbing in anchor tags","severity":"low","exploited":false,"published_at":"2020-09-03T23:21:16+00:00","url":"https://junglewise.ai/threats/showdown-reverse-tabnabbing-in-anchor-tags-ec12f775"}],"generated_at":"2026-09-26T10:14:00.201383+00:00"}