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MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2020-35480) - Vulnerability Database

MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2020-35480)

Description

An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.

References

CVE-2020-35480

Related Vulnerabilities

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Moodle Server-Side Request Forgery (SSRF) Vulnerability (CVE-2019-6970) High
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Severity

Medium

Classification

CVE-2020-35480
CWE-200
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Tags

Missing Update
Known Vulnerabilities