# serialize-javascript (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/serialize-javascript Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/serialize-javascript.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in serialize-javascript (npm): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-115897, was published on 23 October 2026. 2 vulnerabilities in the last four weeks, up 100% on the four before (1). ## Counts - Last 7 days: 0 - Last 30 days: 2 - Last 90 days: 3 - All time: 8 (0 critical, 0 exploited in the wild) ## About serialize-javascript (npm) serialize-javascript is a Node.js library for serializing JavaScript values with support for functions and other types. ## Latest serialize-javascript (npm) vulnerabilities - [CVE-2026-115897: Yahoo Serialize JavaScript XSS via unescaped script tag in function body](https://junglewise.ai/threats/cve-2026-115897-serialize-javascript-serializes-javascript-values-to-a-superset) (low, published 23 Oct 2026) - [CVE-2026-115754: serialize-javascript cross-site scripting via unescaped script tag](https://junglewise.ai/threats/cve-2026-115754-serialize-javascript-from-7-0-1-before-7-1-3-contains-a-cross) (medium, CVSS 4.7, published 23 Oct 2026) - [CVE-2026-97711: serialize-javascript XSS via script-closing tag bypass in functions](https://junglewise.ai/threats/cve-2026-97711-serialize-javascript-serializes-javascript-values-to-a-superset) (medium, CVSS 4, published 29 Sep 2026) - [CVE-2026-34043: Yahoo serialize-javascript CPU exhaustion DoS via crafted array-like objects](https://junglewise.ai/threats/cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array) (medium, CVSS 5.9, published 27 Mar 2026) - [serialize-javascript code injection via RegExp.flags and Date.toISOString](https://junglewise.ai/threats/serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae) (low, CVSS 3.1, published 28 Feb 2026) - [CVE-2024-11831: Yahoo serialize-javascript XSS in object serialization](https://junglewise.ai/threats/cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization) (medium, CVSS 5.4, published 10 Feb 2025) - [CVE-2020-7660: serialize-javascript insecure serialization RCE](https://junglewise.ai/threats/cve-2020-7660-serialize-javascript-insecure-serialization-rce) (low, CVSS 3.1, published 11 Aug 2020) - [CVE-2019-16769: serialize-javascript Cross-Site Scripting in regular expressions](https://junglewise.ai/threats/cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions) (low, CVSS 3.1, published 5 Dec 2019) ## Most severe serialize-javascript (npm) vulnerabilities - [CVE-2026-34043: Yahoo serialize-javascript CPU exhaustion DoS via crafted array-like objects](https://junglewise.ai/threats/cve-2026-34043-yahoo-serialize-javascript-cpu-exhaustion-dos-via-crafted-array) (medium, CVSS 5.9, published 27 Mar 2026) - [CVE-2024-11831: Yahoo serialize-javascript XSS in object serialization](https://junglewise.ai/threats/cve-2024-11831-yahoo-serialize-javascript-xss-in-object-serialization) (medium, CVSS 5.4, published 10 Feb 2025) - [CVE-2026-115754: serialize-javascript cross-site scripting via unescaped script tag](https://junglewise.ai/threats/cve-2026-115754-serialize-javascript-from-7-0-1-before-7-1-3-contains-a-cross) (medium, CVSS 4.7, published 23 Oct 2026) - [CVE-2026-97711: serialize-javascript XSS via script-closing tag bypass in functions](https://junglewise.ai/threats/cve-2026-97711-serialize-javascript-serializes-javascript-values-to-a-superset) (medium, CVSS 4, published 29 Sep 2026) - [CVE-2020-7660: serialize-javascript insecure serialization RCE](https://junglewise.ai/threats/cve-2020-7660-serialize-javascript-insecure-serialization-rce) (low, CVSS 3.1, published 11 Aug 2020) - [CVE-2019-16769: serialize-javascript Cross-Site Scripting in regular expressions](https://junglewise.ai/threats/cve-2019-16769-serialize-javascript-cross-site-scripting-in-regular-expressions) (low, CVSS 3.1, published 5 Dec 2019) - [serialize-javascript code injection via RegExp.flags and Date.toISOString](https://junglewise.ai/threats/serialize-javascript-code-injection-via-regexp-flags-and-date-a4d4abae) (low, CVSS 3.1, published 28 Feb 2026) - [CVE-2026-115897: Yahoo Serialize JavaScript XSS via unescaped script tag in function body](https://junglewise.ai/threats/cve-2026-115897-serialize-javascript-serializes-javascript-values-to-a-superset) (low, published 23 Oct 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up 100% on the four before (1). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 1 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 2 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other npm technologies - [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities - [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities - [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities - [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities - [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities - [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities - [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities - [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities - [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities - [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities - [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities - [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "serialize-javascript (npm) vulnerabilities", https://junglewise.ai/threats/technologies/serialize-javascript, 13 November 2026.