{"id":"CVE-2019-11358","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-11358","generatedAt":"2026-10-29T00:41:49.691Z","title":"jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution.","description":"jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.","published":"2019-04-20T00:29:00.000Z","lastModified":"2026-06-17T02:12:46.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-1321"],"affected":["jquery/jquery","debian/debian linux","drupal/drupal","backdropcms/backdrop","fedoraproject/fedora","opensuse/backports sle","opensuse/leap","netapp/oncommand system manager","netapp/snapcenter","redhat/cloudforms","redhat/virtualization manager","oracle/agile product lifecycle management for process","oracle/application express","oracle/application service level management","oracle/application testing suite","oracle/banking digital experience","oracle/banking enterprise collections","oracle/banking platform","oracle/bi publisher","oracle/big data discovery","oracle/business process management suite","oracle/communications analytics","oracle/communications application session controller","oracle/communications billing and revenue management","oracle/communications diameter signaling router","oracle/communications eagle application processor","oracle/communications element manager","oracle/communications interactive session recorder","oracle/communications operations monitor","oracle/communications services gatekeeper","oracle/communications session report manager","oracle/communications session route manager","oracle/communications unified inventory management","oracle/communications webrtc session controller","oracle/diagnostic assistant","oracle/enterprise manager ops center","oracle/enterprise session border controller","oracle/financial services analytical applications infrastructure","oracle/financial services analytical applications reconciliation framework","oracle/financial services asset liability management","oracle/financial services balance sheet planning","oracle/financial services basel regulatory capital basic","oracle/financial services basel regulatory capital internal ratings based approach","oracle/financial services data foundation","oracle/financial services data governance for us regulatory reporting","oracle/financial services data integration hub","oracle/financial services enterprise financial performance analytics","oracle/financial services funds transfer pricing","oracle/financial services hedge management and ifrs valuations","oracle/financial services institutional performance analytics","oracle/financial services liquidity risk management","oracle/financial services liquidity risk measurement and management","oracle/financial services loan loss forecasting and provisioning","oracle/financial services market risk measurement and management","oracle/financial services price creation and discovery","oracle/financial services profitability management","oracle/financial services regulatory reporting for de nederlandsche bank","oracle/financial services regulatory reporting for european banking authority","oracle/financial services regulatory reporting for us federal reserve","oracle/financial services retail customer analytics"],"epss":{"score":0.8682,"percentile":0.99742,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2025-04-08","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":52141,"kind":"exploit","title":"jQuery 3.3.1 - Prototype Pollution & XSS Exploit","url":"https://www.exploit-db.com/exploits/52141","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/52141.txt","file":"exploits/multiple/webapps/52141.txt","published":"2025-04-08","added":"2025-04-08","updated":"2025-04-08","author":"xOryus","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2020-7656","CVE-2019-11358"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 86.8%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/152787/dotCMS-5.1.1-Vulnerable-Dependencies.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/153237/RetireJS-CORS-Issue-Script-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/156743/OctoberCMS-Insecure-Dependencies.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2019/May/10","tags":["Mailing List","Third Party 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Advisory"],"source":"cve@mitre.org"},{"url":"https://www.drupal.org/sa-core-2019-006","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11358","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."}