CVE-2020-11023
Potential XSS vulnerability in jQuery
- Published
- Apr 29, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- GitHub_M
- Evidence observed
- Apr 14, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:NHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
6Demonstration of CVE-2020-11023
- https-nj.gov---CVE-2020-11023Informational
Vulnearability Report of the New Jersey official site
Little thing put together quickly to demonstrate this CVE
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