Exposure of Private Personal Information to an Unauthorized Actor Affecting org.xwiki.platform:xwiki-platform-rest-server package, versions [,15.10.9) [16.0.0-rc-1,16.3.0-rc-1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.07% (34th percentile)

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  • Snyk ID SNYK-JAVA-ORGXWIKIPLATFORM-7926870
  • published 11 Sep 2024
  • disclosed 10 Sep 2024
  • credit Xiqinger

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-rest-server to version 15.10.9, 16.3.0-rc-1 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Private Personal Information to an Unauthorized Actor via the REST API endpoint /xwiki/rest/wikis/xwiki/spaces/Main/pages/WebHome/history. An attacker can access the modification history of any page, including modification times, version numbers and author details, by knowing the name of the page.

Note:

This exposure occurs regardless of the configured access rights or privacy settings of the wiki.

PoC

  1. Make your wiki fully private

  2. Log out

  3. Open /xwiki/rest/wikis/xwiki/spaces/Main/pages/WebHome/history and /xwiki/rest/wikis/xwiki/spaces/Main/pages/WebHome/translations/de/history on your XWiki installation.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
6.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None