{"id":"CVE-2023-26102","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26102","generatedAt":"2026-10-28T07:25:54.685Z","title":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype\r\r","published":"2023-02-24T05:15:15.000Z","lastModified":"2026-06-17T05:42:41.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},"cwe":["CWE-1321"],"affected":["rangy project/rangy"],"epss":{"score":0.00766,"percentile":0.55296,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/timdown/rangy/issues/478","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702","tags":["Exploit","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/timdown/rangy/issues/478","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26102","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."}