Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting org.xwiki.platform:xwiki-platform-web-templates package, versions [7.0-rc-1,14.4.8) [14.5,14.10.3)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.39% (74th percentile)

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  • Snyk ID SNYK-JAVA-ORGXWIKIPLATFORM-5441637
  • published 21 Apr 2023
  • disclosed 20 Apr 2023
  • credit Unknown

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-web-templates to version 14.4.8, 14.10.3 or higher.

Overview

org.xwiki.platform:xwiki-platform-web-templates is a Web Resources for the XWiki platform.

Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') such that any user with view rights can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The attack works by opening a non-existing page with a name crafted to contain a dangerous payload.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
9.9 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    Low
Expand this section

NVD

8.8 high