# serialize-javascript (npm) vulnerabilities 7 known vulnerabilities (3 medium, 3 low), with the versions each affects and the releases that fix them. ## At a glance - Latest release: not known (cve.now hasn't read this package's releases) - Newest unaffected release: not known without release data - Registry: https://www.npmjs.com/package/serialize-javascript ## Advisories (7) ### [CVE-2026-115897](https://cve.now/CVE-2026-115897): Serialize JavaScript: Cross-site scripting (XSS) via unescaped \ in serialized function bodies - Severity: Low 2.3 - Published: Sep 29, 2026 - Affected: from 7.1.1, fixed in 7.1.2. ### [CVE-2026-34043](https://cve.now/CVE-2026-34043): Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects - Severity: Medium 5.9 - Published: Mar 31, 2026 - Affected: from 5.0.0, fixed in 7.0.5. ### [CVE-2024-11831](https://cve.now/CVE-2024-11831): Npm-serialize-javascript: cross-site scripting (xss) in serialize-javascript - Severity: Medium 5.4 - Published: Feb 10, 2025 - Affected: from 6.0.0, fixed in 6.0.2. ### [CVE-2020-7660](https://cve.now/CVE-2020-7660): serialize-javascript prior to 3.1.0 allows remote attackers to inject arbitrary code via the function "deleteFunctions" within "index.js". - Severity: Unrated - Published: Jun 1, 2020 - Affected: fixed in 3.1.0. ### [CVE-2019-16769](https://cve.now/CVE-2019-16769): Affected versions of serialize-javascript are vulnerable to Cross-site Scripting (XSS) - Severity: Medium 4.2 - Published: Dec 5, 2019 - Affected: fixed in 2.1.1. --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/packages/npm/serialize-javascript Site guide for agents: https://cve.now/llms.txt Uses NVD data; not endorsed by NVD.