CVE Vulnerability

CVE-2018-20583

Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library versions 0.15.6 through 0.18.x before 0.18.1 allows remote attackers to insert unsafe URLs into HTML (even if allow_unsafe_links is false) via a newline character (e.g., writing javascript as javascri%0apt).

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/thephpleague/commonmark/releases/tag/0.18.1 Release Notes Third Party Advisory
https://github.com/thephpleague/commonmark/issues/337 Exploit Third Party Advisory
https://commonmark.thephpleague.com/changelog/ Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:thephpleague:commonmark:*:*:*:*:*:*:*:*
Information

Published : 2018-12-30 05:29

Updated : 2019-01-15 04:35

NVD link : CVE-2018-20583

Mitre link : CVE-2018-20583

Products Affected
No products.
CWE
CWE-79