QwikSec

Security Database

CVE

CWE

Training

CVE-2023-3550

Published: Sep 25, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator.

Vendor	Product	Versions
MediaWiki	MediaWiki	affected `1.40.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

https://fluidattacks.com/advisories/blondie/

https://www.mediawiki.org/wiki/MediaWiki/

https://www.debian.org/security/2023/dsa-5520

https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/

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