XSS in Jquery
CVE-2020-11023
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 oth…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.347 (97.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Jquery — versions >= 1.0.3, < 3.5.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- DSA-4693 (vendor-advisory)
- FEDORA-2020-36d2db5f51 (vendor-advisory)
- www.oracle.com/security-alerts/cpujul2020.html
- jquery.com/upgrade-guide/3.5/
- security.netapp.com/advisory/ntap-20200511-0006/
- www.drupal.org/sa-core-2020-002
- github.com/jquery/jquery/security/advisories/GHSA-jpcq-cgw6-v4j6
- blog.jquery.com/2020/04/10/jquery-3-5-0-released
- openSUSE-SU-2020:1060 (vendor-advisory)
- GLSA-202007-03 (vendor-advisory)
Frequently asked questions
- What is CVE-2020-11023?
- CVE-2020-11023 is a medium-severity vulnerability in Jquery, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2020-04-29.
- How severe is CVE-2020-11023?
- Medium severity. CVSS v3 base score is 6.9 out of 10.
- Is CVE-2020-11023 known to be exploited?
- Yes. CVE-2020-11023 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-23), indicating it is being actively exploited. 65 public proof-of-concept repositories are indexed.