Base Score

MEDIUM6.1

CVE-2021-30154

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.

VectorNETWORK

Published Bycve@mitre.org

Published DateApr 06, 2021, 07:15

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

6.1

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

NONE

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/
https://phabricator.wikimedia.org/T278014
https://security.gentoo.org/glsa/202107-40
https://www.debian.org/security/2021/dsa-4889

Base Score

MEDIUM6.1

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

6.1

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

NONE