{"id":"CVE-2026-3884","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-3884","generatedAt":"2026-10-28T08:09:58.535Z","title":"Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element.","description":"Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser.","published":"2026-03-11T06:17:15.000Z","lastModified":"2026-06-17T10:44:23.000Z","status":"Analyzed","sourceIdentifier":"report@snyk.io","cvss":{"version":"4.0","score":2,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":["spin.js/spin.js"],"epss":{"score":0.00161,"percentile":0.05225,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gist.github.com/ericcornelissen/1a73e28fa50c3009b0eb51ad2fc19f25","tags":["Broken Link"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-JS-SPINJS-15445079","tags":["Third Party Advisory"],"source":"report@snyk.io"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-3884","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}