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Findings

CVE-2020-11023

JQuery Cross-Site Scripting (XSS) Vulnerability

Published Apr 29, 2020 · updated Jun 16, 2026 · jquery jquery

In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing 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.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 29, 2020 · Catalog

    Detected

    In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing 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.

  2. Jan 23, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Feb 13, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing 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.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Feb 13, 2025

Affected

  • cpe debian/debian linux9.0
  • cpe drupal/drupalversion unspecified
  • cpe fedoraproject/fedora31
  • cpe fedoraproject/fedora32
  • cpe fedoraproject/fedora33
  • cpe jquery/jqueryversion unspecified
  • cpe netapp/h300s firmwareversion unspecified
  • cpe netapp/h500s firmwareversion unspecified
  • cpe netapp/h700s firmwareversion unspecified
  • cpe oracle/application expressversion unspecified
  • vendor JQuery JQueryversion unspecified

Sources

  • CISA KEVCVE-2020-11023

    JQuery contains a persistent cross-site scripting (XSS) vulnerability. When passing maliciously formed, untrusted input enclosed in HTML tags, JQuery's DOM manipulators can execute untrusted code in the context of the user's browser.

    cisa.gov
  • CVE.orgCVE-2020-11023

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2020-11023

    30-day exploitation probability 84.9%

    first.org
  • Exploit Database49767

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDCVE-2020-11023

    In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing 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 pro

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/162160/jQuery-1.0.3-Cross-Site-Scripting.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References