{"cve":"CVE-2025-8101","nvd":{"published":"2025-07-25T22:15:25.620","modified":"2026-06-17T10:06:18.520","status":"Deferred","description":"Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability in Linkify (linkifyjs) allows XSS Targeting HTML Attributes and Manipulating User-Controlled Variables.This issue affects Linkify: from 4.3.1 before 4.3.2.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.8},"cvss_v3":null,"cwes":["CWE-1321"],"references":["https://fluidattacks.com/advisories/charly","https://github.com/nfrasser/linkifyjs","https://github.com/nfrasser/linkifyjs/releases/tag/v4.3.2","https://www.npmjs.com/package/linkifyjs"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:05:46.678065081+00:00"},"epss":{"cve":"CVE-2025-8101","score":0.006,"percentile":0.48717,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-95jq-xph2-cx9h","url":"https://osv.dev/vulnerability/GHSA-95jq-xph2-cx9h","summary":"Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS)","modified":"2026-09-10T03:50:25.994315339Z","packages":[{"ecosystem":"npm","name":"linkifyjs","purl":"pkg:npm/linkifyjs","ranges":[">=4.3.1 <4.3.2"],"fixed":["4.3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}