jQuery up to 3.4.x html cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in jQuery up to 3.4.x. Impacted is the function html. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2020-11023. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in jQuery up to 3.4.x (JavaScript Library) and classified as problematic. This vulnerability affects the function html. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was presented 04/29/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-11023 since 03/30/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is possible to download the exploit at packetstormsecurity.com. It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 208606 (CentOS 7 : pcs (RHSA-2022:7343)), which helps to determine the existence of the flaw in a target environment. This issue was added on 01/23/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 02/13/2025:

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

Upgrading to version 3.5.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (49767) and Tenable (208606). See VDB-154587 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 208606
Nessus Name: CentOS 7 : pcs (RHSA-2022:7343)

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: jQuery 3.5.0

Timelineinfo

03/30/2020 🔍
04/29/2020 +30 days 🔍
04/30/2020 +1 days 🔍
11/07/2025 +2017 days 🔍

Sourcesinfo

Product: github.com

Advisory: 162160
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11023 (🔍)
GCVE (CVE): GCVE-0-2020-11023
GCVE (VulDB): GCVE-100-154588
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/30/2020 09:23
Updated: 11/07/2025 20:49
Changes: 04/30/2020 09:23 (40), 04/30/2020 09:28 (12), 10/14/2020 13:26 (1), 10/14/2020 13:28 (1), 06/04/2024 13:07 (17), 06/04/2024 13:13 (19), 06/16/2024 23:27 (10), 10/14/2024 06:55 (2), 11/26/2024 08:31 (3), 01/23/2025 22:13 (15), 01/23/2025 23:55 (12), 05/06/2025 08:00 (3), 09/30/2025 15:34 (1), 11/07/2025 20:49 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!