CVE Vulnerability

CVE-2021-31550

An issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Commentbox/+/651934/ Issue Tracking Vendor Advisory
https://phabricator.wikimedia.org/T270767 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Information

Published : 2021-04-22 03:15

Updated : 2021-04-27 05:59

NVD link : CVE-2021-31550

Mitre link : CVE-2021-31550

Products Affected
No products.
CWE
CWE-79