{"schema_version":1,"title":"serialize-javascript (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in serialize-javascript (npm): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-34043, was published on 27 March 2026.","url":"https://junglewise.ai/threats/technologies/serialize-javascript","json_url":"https://junglewise.ai/threats/technologies/serialize-javascript.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/serialize-javascript","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":2},"latest":[{"cve":"CVE-2026-34043","cvss":5.9,"epss":0.0058,"slug":"cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array","title":"Yahoo serialize-javascript CPU exhaustion DoS via crafted array-like objects","severity":"medium","exploited":false,"published_at":"2026-03-27T18:18:54+00:00","url":"https://junglewise.ai/threats/cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array"},{"cvss":3.1,"slug":"serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae","title":"serialize-javascript code injection via RegExp.flags and Date.toISOString","severity":"low","exploited":false,"published_at":"2026-02-28T02:50:45+00:00","url":"https://junglewise.ai/threats/serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae"},{"cve":"CVE-2024-11831","cvss":5.4,"epss":0.0112,"slug":"cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization","title":"Yahoo serialize-javascript XSS in object serialization","severity":"medium","exploited":false,"published_at":"2025-02-10T18:30:47+00:00","url":"https://junglewise.ai/threats/cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization"},{"cve":"CVE-2020-7660","cvss":3.1,"epss":0.026,"slug":"cve-2020-7660-serialize-javascript-insecure-serialization-rce","title":"serialize-javascript insecure serialization RCE","severity":"low","exploited":false,"published_at":"2020-08-11T17:21:13+00:00","url":"https://junglewise.ai/threats/cve-2020-7660-serialize-javascript-insecure-serialization-rce"},{"cve":"CVE-2019-16769","cvss":3.1,"epss":0.008,"slug":"cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions","title":"serialize-javascript Cross-Site Scripting in regular expressions","severity":"low","exploited":false,"published_at":"2019-12-05T18:44:37+00:00","url":"https://junglewise.ai/threats/cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"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":"serialize-javascript (npm)","slug":"serialize-javascript","vendor":{"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"homepage":"https://www.npmjs.com/package/serialize-javascript","repo_url":"https://github.com/yahoo/serialize-javascript","description":"A library for serializing JavaScript objects into a superset of JSON.","url":"https://junglewise.ai/threats/technologies/serialize-javascript"},"most_severe":[{"cve":"CVE-2026-34043","cvss":5.9,"epss":0.0058,"slug":"cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array","title":"Yahoo serialize-javascript CPU exhaustion DoS via crafted array-like objects","severity":"medium","exploited":false,"published_at":"2026-03-27T18:18:54+00:00","url":"https://junglewise.ai/threats/cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array"},{"cve":"CVE-2024-11831","cvss":5.4,"epss":0.0112,"slug":"cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization","title":"Yahoo serialize-javascript XSS in object serialization","severity":"medium","exploited":false,"published_at":"2025-02-10T18:30:47+00:00","url":"https://junglewise.ai/threats/cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization"},{"cve":"CVE-2020-7660","cvss":3.1,"epss":0.026,"slug":"cve-2020-7660-serialize-javascript-insecure-serialization-rce","title":"serialize-javascript insecure serialization RCE","severity":"low","exploited":false,"published_at":"2020-08-11T17:21:13+00:00","url":"https://junglewise.ai/threats/cve-2020-7660-serialize-javascript-insecure-serialization-rce"},{"cve":"CVE-2019-16769","cvss":3.1,"epss":0.008,"slug":"cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions","title":"serialize-javascript Cross-Site Scripting in regular expressions","severity":"low","exploited":false,"published_at":"2019-12-05T18:44:37+00:00","url":"https://junglewise.ai/threats/cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions"},{"cvss":3.1,"slug":"serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae","title":"serialize-javascript code injection via RegExp.flags and Date.toISOString","severity":"low","exploited":false,"published_at":"2026-02-28T02:50:45+00:00","url":"https://junglewise.ai/threats/serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae"}],"generated_at":"2026-09-26T10:14:00.201383+00:00"}