Improper Encoding or Escaping of Output Affecting org.xwiki.platform:xwiki-platform-icon-ui package, versions [6.2-milestone-1,13.10.10)[14.0-rc-1,14.9)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.24% (63rd percentile)

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  • Snyk IDSNYK-JAVA-ORGXWIKIPLATFORM-3338534
  • published3 Mar 2023
  • disclosed3 Mar 2023
  • creditUnknown

Introduced: 3 Mar 2023

CVE-2023-26472  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-icon-ui to version 13.10.10, 14.9 or higher.

Overview

Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output such that an attacker can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be achieved by creating a new page or even through the user profile for users not having edit right.

PoC

}}}
{{async async="true"}}
{{groovy}}
  println("Hello from Groovy!")
{{/groovy}}
{{/async}}
{{{

CVSS Base Scores

version 3.1