# ua-parser-js (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/ua-parser-js Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/ua-parser-js.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in ua-parser-js (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-2026-48125, was published on 14 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 7 (0 critical, 0 exploited in the wild) ## About ua-parser-js (npm) JavaScript library that parses and analyzes user agent strings to extract browser and device information. ## Latest ua-parser-js (npm) vulnerabilities - [CVE-2026-48125: faisalman UAParser.js ReDoS in withClientHints](https://junglewise.ai/threats/cve-2026-48125-faisalman-uaparser-js-redos-in-withclienthints) (medium, CVSS 5.3, published 14 Jul 2026) - [CVE-2022-25927: ua-parser-js regular expression denial of service](https://junglewise.ai/threats/cve-2022-25927-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 24 Jan 2023) - [faisalman ua-parser-js embedded malware and backdoor](https://junglewise.ai/threats/faisalman-ua-parser-js-embedded-malware-and-backdoor-02bf2283) (low, CVSS 3.1, published 25 May 2022) - [CVE-2020-7793: ua-parser-js Regular Expression Denial of Service](https://junglewise.ai/threats/cve-2020-7793-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 9 Feb 2022) - [CVE-2021-4229: ua-parser-js embedded malware in npm package](https://junglewise.ai/threats/cve-2021-4229-ua-parser-js-embedded-malware-in-npm-package) (high, CVSS 8.8, published 22 Oct 2021) - [CVE-2020-7733: ua-parser-js regular expression denial of service](https://junglewise.ai/threats/cve-2020-7733-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 7 May 2021) - [CVE-2021-27292: ua-parser-js Regular Expression Denial of Service](https://junglewise.ai/threats/cve-2021-27292-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 6 May 2021) ## Most severe ua-parser-js (npm) vulnerabilities - [CVE-2021-4229: ua-parser-js embedded malware in npm package](https://junglewise.ai/threats/cve-2021-4229-ua-parser-js-embedded-malware-in-npm-package) (high, CVSS 8.8, published 22 Oct 2021) - [CVE-2026-48125: faisalman UAParser.js ReDoS in withClientHints](https://junglewise.ai/threats/cve-2026-48125-faisalman-uaparser-js-redos-in-withclienthints) (medium, CVSS 5.3, published 14 Jul 2026) - [CVE-2020-7733: ua-parser-js regular expression denial of service](https://junglewise.ai/threats/cve-2020-7733-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 7 May 2021) - [CVE-2021-27292: ua-parser-js Regular Expression Denial of Service](https://junglewise.ai/threats/cve-2021-27292-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 6 May 2021) - [CVE-2022-25927: ua-parser-js regular expression denial of service](https://junglewise.ai/threats/cve-2022-25927-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 24 Jan 2023) - [faisalman ua-parser-js embedded malware and backdoor](https://junglewise.ai/threats/faisalman-ua-parser-js-embedded-malware-and-backdoor-02bf2283) (low, CVSS 3.1, published 25 May 2022) - [CVE-2020-7793: ua-parser-js Regular Expression Denial of Service](https://junglewise.ai/threats/cve-2020-7793-ua-parser-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 9 Feb 2022) ## Vulnerabilities per week Nothing was published in the last eight weeks. | 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 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 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, "ua-parser-js (npm) vulnerabilities", https://junglewise.ai/threats/technologies/ua-parser-js, 13 November 2026.