1. Home
  2. CVE Database
  3. CVE-2021-42043
MEDIUM · 6.1

CVE-2021-42043

An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized ...

Vulnerability Description

An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.

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-2021-42043?

CVE-2021-42043 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized ...

How severe is CVE-2021-42043?

CVE-2021-42043 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-2021-42043?

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