CVE-2021-42041

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-42041
An issue was discovered in CentralAuth in MediaWiki through 1.36.2. The rightsnone MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the setchange log.

6.1 /10

CVSS v3 : 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

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://gerrit.wikimedia.org/r/q/I7aeaa6e4de5ccaa5eeb6bf4fb00c96b01d5fea35 Patch Vendor Advisory
https://phabricator.wikimedia.org/T291696 Exploit Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
History

14 Oct 2021, 18:55

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1
CWE CWE-79
CPE cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
References (MISC) https://phabricator.wikimedia.org/T291696 - (MISC) https://phabricator.wikimedia.org/T291696 - Exploit, Patch, Vendor Advisory
References (MISC) https://gerrit.wikimedia.org/r/q/I7aeaa6e4de5ccaa5eeb6bf4fb00c96b01d5fea35 - (MISC) https://gerrit.wikimedia.org/r/q/I7aeaa6e4de5ccaa5eeb6bf4fb00c96b01d5fea35 - Patch, Vendor Advisory

06 Oct 2021, 21:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-10-06 21:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-42041

Mitre link : CVE-2021-42041

CVE.ORG link : CVE-2021-42041

JSON object : View

Products Affected

mediawiki

  • mediawiki
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')