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MediaWiki: Unspecified Security Vulnerability (CVE-2023-3550)

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MediaWiki: Unspecified Security Vulnerability (CVE-2023-3550)

Severity
8
CVSS
(AV:N/AC:M/Au:S/C:C/I:C/A:N)
Published
09/25/2023
Created
09/28/2023
Added
09/28/2023
Modified
01/28/2025

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.

Solution(s)

  • mediawiki-upgrade-latest

References

  • https://attackerkb.com/topics/cve-2023-3550
  • CVE - 2023-3550
  • https://fluidattacks.com/advisories/blondie/
  • https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
  • https://www.debian.org/security/2023/dsa-5520
  • https://www.mediawiki.org/wiki/MediaWiki/
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  • 已创建
  • 最后回复

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