Missing Authorization Affecting org.xwiki.platform:xwiki-platform-oldcore package, versions [6.4-milestone-1,14.10.19) [15.0-rc-1,15.5.4) [15.6-rc-1,15.10-rc-1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-JAVA-ORGXWIKIPLATFORM-6595840
  • published 11 Apr 2024
  • disclosed 10 Apr 2024
  • credit Unknown

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-oldcore to version 14.10.19, 15.5.4, 15.10-rc-1 or higher.

Overview

org.xwiki.platform:xwiki-platform-oldcore is a generic wiki platform offering runtime services for applications built on top of it.

Affected versions of this package are vulnerable to Missing Authorization via the custom skins support feature. A low-privileged user can execute arbitrary code by adding an object of class XWiki.XWikiSkins to their profile, naming it arbitrarily, setting the Base Skin to flamingo, and then adding an object of class XWikiSkinFileOverrideClass with a path to macros.vm containing malicious content.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High