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MEDIUM · 6.1

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...

Vulnerability Description

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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MediawikiMediawiki<= 1.36.2

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-42041?

CVE-2021-42041 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...

How severe is CVE-2021-42041?

CVE-2021-42041 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42041?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.