CVE-2020-11023Potential XSS vulnerability in jQuery

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.

6.9 MEDIUMEPSS 84.88%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:48 UTC

OverviewCVSS details

6.9MEDIUMCVSS 3.1

Score source: GitHub_M (CNA)
NVD status: Analyzed
Published: Apr 29, 2020
Assigner: GitHub_M

Affected

jQuery (jquery)

Versions: >= 1.0.3, < 3.5.0

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Jan 23, 2025
KEV due date: Feb 13, 2025
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

84.88%chance of exploitation in 30 days

Higher than 99.71% of CVEs

CVSS 3.1 · GitHub_M (CNA)

6.9Medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

Attack vector: Network
Attack complexity: High
Privileges required: None
User interaction: Required
Scope: Changed
Confidentiality impact: High
Integrity impact: Low
Availability impact: None

CVSS 3.1 · NVD

6.1Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Changed
Confidentiality impact: Low
Integrity impact: Low
Availability impact: None

CVSS 2.0 · NVD

4.3Medium

AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack vector: Network
Attack complexity: Medium
Authentication: None
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
6.9	MEDIUM	3.1GitHub_M (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
6.1	MEDIUM	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3	MEDIUM	2.0NVD	AV:N/AC:M/Au:N/C:N/I:P/A:N

CISA required action

⚡ Known exploited · remediation due Feb 13, 2025

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

Details

CVE ID: CVE-2020-11023
Status: Analyzed
Assigner (CNA): GitHub_M
Published: Apr 29, 2020
Last modified: 2026-06-17 02:48 UTC
Weaknesses: CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:23 UTC.