CVE-2021-30158
Medium
Description
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mediawiki
PublishedApr 6, 2021
First seenApr 6, 2021
How to fix
Update
- mediawiki mediawiki1.31.12, 1.35.2 or later
Vendor advisories
- debian.org/security/2021/dsa-4889
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/
- security.gentoo.org/glsa/202107-40
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | v < 1.31.12, 1.32.0 ≤ v < 1.35.2 | 1.31.12, 1.35.2 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 33, 34 | — |
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