CVE-2021-41801
HIGH
8.8
CVSS Score
Published: October 11, 2021 at 07:40 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorMediaWiki
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Severity
HIGH8.8
Exploit prediction
EPSS 1%
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)
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.31.161.35.0 ≤ v < 1.35.41.36.0 ≤ v < 1.36.2
Affected range stops below 1.31.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.35.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.36.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCIssue TrackingPatchVendor Advisory
Source: [email protected]
https://phabricator.wikimedia.org/T279090CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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