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HIGH · 8.8

CVE-2021-41801

The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (d...

Vulnerability Description

The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (due to the job queue backlog)

CVSS Score

8.8

HIGH

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

Affected Products

VendorProductVersions
MediawikiMediawiki< 1.31.16

References

FAQ

What is CVE-2021-41801?

CVE-2021-41801 is a vulnerability with a CVSS score of 8.8 (HIGH). The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (d...

How severe is CVE-2021-41801?

CVE-2021-41801 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-41801?

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