What is the CVSS score of CVE-2020-11022?

CVE-2020-11022 has a CVSS 3.1 base score of 6.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N. EPSS exploitation probability: 2.1%.

Is there a public PoC exploit available for CVE-2020-11022?

Yes, a public proof-of-concept exploit is available for CVE-2020-11022. Prioritise patching immediately. EPSS: 2.1%.

Is there a patch available for CVE-2020-11022?

Yes, a patch is available for CVE-2020-11022. Update the affected software to the latest version immediately.

Jquery CVE-2020-11022

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2020-04-29 security-advisories@github.com

6.9

CVSS 3.1 · GitHub Advisory

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Vulnerability Assessment

Weakness	CWE CWE-79 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Output encoding, context-aware escaping MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 6.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 2.14%.
Exploit ScenarioDerived	A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 2.1% exploitation probability (EPSS)

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AnalysisAI

In jQuery starting with 1.12.0 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affected Packages

composer athlon1600/youtube-downloader fix: 4.0.1

composer components/jquery fix: 3.5.0

composer jquery fix: 3.5.0

composer jquery-rails fix: 4.4.0

composer maximebf/debugbar fix: 1.19.0

composer org.webjars.npm:jquery fix: 3.5.0

maven athlon1600/youtube-downloader fix: 4.0.1

maven components/jquery fix: 3.5.0

maven jquery fix: 3.5.0

maven jquery-rails fix: 4.4.0

maven maximebf/debugbar fix: 1.19.0

maven org.webjars.npm:jquery fix: 3.5.0

npm athlon1600/youtube-downloader fix: 4.0.1

npm components/jquery fix: 3.5.0

npm jquery fix: 3.5.0

npm jquery-rails fix: 4.4.0

npm maximebf/debugbar fix: 1.19.0

npm org.webjars.npm:jquery fix: 3.5.0

nuget athlon1600/youtube-downloader fix: 4.0.1

nuget components/jquery fix: 3.5.0

nuget jquery fix: 3.5.0

nuget jquery-rails fix: 4.4.0

nuget maximebf/debugbar fix: 1.19.0

nuget org.webjars.npm:jquery fix: 3.5.0

rubygems athlon1600/youtube-downloader fix: 4.0.1

rubygems components/jquery fix: 3.5.0

rubygems jquery fix: 3.5.0

rubygems jquery-rails fix: 4.4.0

rubygems maximebf/debugbar fix: 1.19.0

rubygems org.webjars.npm:jquery fix: 3.5.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 6 packages in composer, maven, npm and 2 more

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. In jQuery starting with 1.12.0 and before 3.5.0, passing HTML 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. Affected products include: Jquery, Drupal, Debian Debian Linux, Fedoraproject Fedora, Oracle Agile Product Lifecycle Management For Process. Version information: before 3.5.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 6.9 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

DescriptionGitHub Advisory

In jQuery starting with 1.12.0 and before 3.5.0, passing HTML 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.

Threat Intelligence Overview

EPSS Score

2.1%

Top 16% exploitable

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

NVD

CVE.org

EPSS

Exploit-DB

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 2.1%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +34

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:jquery:jquery:*:*:*:*:*:*:*:*

cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

cpe:2.3:a:oracle:agile_product_lifecycle_management_for_process:6.2.0.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:application_testing_suite:13.3.0.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:18.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:18.2:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:18.3:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:19.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:19.2:*:*:*:*:*:*:*

cpe:2.3:a:oracle:banking_digital_experience:20.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_application_session_controller:3.8m0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_billing_and_revenue_management:7.5.0.23.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*

+ 178 more

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