{"id":"CVE-2020-11023","published":"2020-04-29T21:15:11Z","modified":"2026-06-17T02:48:52Z","title":"JQuery Cross-Site Scripting (XSS) Vulnerability","vendor":"JQuery","product":"JQuery","tier":"core","eol":null,"description":{"text":"In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.","provenance":"source","from":"NVD"},"summary":{"text":"The JQuery library, in versions from 1.0.3 up to but not including 3.5.0, has a cross-site scripting flaw in its DOM manipulation methods (such as .html() and .append()) when they receive HTML containing <option> elements. An attacker can cause untrusted code to execute by supplying such HTML from an untrusted source, even after it has been sanitised, provided a user interacts with the affected page.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T05:10:34Z"},"cvss":{"score":6.1,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.84887,"percentile":0.99711,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2025-01-23","dueDate":"2025-02-13","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/jquery/jquery/security/advisories/GHSA-jpcq-cgw6-v4j6 ; https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2020-11023","provenance":"source"},"vulncheckKev":{"dateAdded":"2021-01-21","exploitedFirstSeen":"2021-01-21","ransomware":false,"evidence":[{"url":"https://www.tenable.com/blog/daisy-chaining-how-vulnerabilities-can-be-greater-than-the-sum-of-their-parts","date":"2021-01-21"},{"url":"https://www.securin.io/wp-content/uploads/2023/08/2023-State-of-Cybersecurity-for-Medical-Devices-and-Healthcare-Systems.pdf","date":"2023-08-08"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2025-01-23"},{"url":"https://www.trustwave.com/hubfs/Web/Library/Documents_pdf/Risk_Radar_Tech_2025.pdf","date":"2025-06-25"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"},{"url":"https://www.redhat.com/en/resources/product-security-risk-report-2025","date":"2026-04-10"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.html","tags":["Broken Link"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.html","tags":["Broken Link"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00039.html","tags":["Broken Link","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/162160/jQuery-1.0.3-Cross-Site-Scripting.html","tags":["Exploit","Third Party 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