VDB-164974 · CVE-2020-7773 · GCVE-0-2020-7773

markdown-it-highlightjs up to 3.3.0 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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in markdown-it-highlightjs up to 3.3.0. The impacted element is an unknown function. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2020-7773. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in markdown-it-highlightjs up to 3.3.0 and classified as problematic. This vulnerability affects an unknown code block. 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.

The weakness was shared 11/16/2020 as SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461. The advisory is available at snyk.io. This vulnerability was named CVE-2020-7773. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 3.3.1 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

markdown-it-highlightjs

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: markdown-it-highlightjs 3.3.1

Timelineinfo

01/21/2020 🔍
11/16/2020 +300 days 🔍
11/16/2020 +0 days 🔍
12/07/2020 +21 days 🔍

Sourcesinfo

Advisory: SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-7773 (🔍)
GCVE (CVE): GCVE-0-2020-7773
GCVE (VulDB): GCVE-100-164974

Entryinfo

Created: 11/16/2020 14:42
Updated: 12/07/2020 19:12
Changes: 11/16/2020 14:42 (39), 12/07/2020 19:07 (5), 12/07/2020 19:12 (19)
Complete: 🔍
Cache ID: 216::103