CVE-2021-46148: Infoleak
First published: Fri Jan 07 2022(Updated: )
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Some unprivileged users can view confidential information (e.g., IP addresses and User-Agent headers for election traffic) on a testwiki SecurePoll instance.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wikimedia MediaWiki | <1.35.5 | |
| Wikimedia MediaWiki | >=1.36.0<1.36.3 | |
| Wikimedia MediaWiki | >=1.37.0<1.37.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46148?
CVE-2021-46148 has been classified with a high severity level due to the exposure of confidential information.
How do I fix CVE-2021-46148?
To fix CVE-2021-46148, upgrade MediaWiki to version 1.35.5, 1.36.3, or 1.37.1 or later.
What information can be exposed due to CVE-2021-46148?
CVE-2021-46148 allows unprivileged users to view confidential information such as IP addresses and User-Agent headers for election traffic.
Which versions of MediaWiki are affected by CVE-2021-46148?
CVE-2021-46148 affects MediaWiki versions prior to 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1.
Who is affected by CVE-2021-46148?
CVE-2021-46148 affects installations of MediaWiki configured for SecurePoll where unprivileged users have access.
- agent/type
- agent/references
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/event
- agent/source
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/mediawiki
- canonical/wikimedia mediawiki
- version/wikimedia mediawiki/1.36.0
- version/wikimedia mediawiki/1.37.0