Information Exposure Affecting org.xwiki.platform:xwiki-platform-oldcore package, versions [10.11.1,13.10.11)[14.0-rc-1,14.4.8)[14.5,14.10.3)


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
0.34% (72nd percentile)

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  • Snyk IDSNYK-JAVA-ORGXWIKIPLATFORM-5441122
  • published21 Apr 2023
  • disclosed21 Apr 2023
  • creditUnknown

Introduced: 21 Apr 2023

CVE-2023-29526  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-oldcore to version 13.10.11, 14.4.8, 14.10.3 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 Information Exposure in restricted mode, which can be circumvented to to display or interact with any page a user cannot access, using a combination of the async and display macros. A comment with either macro will be executed when viewed, providing a code injection vector in the context of the running server.

PoC

As a guest, create a comment with content {{async}}{{display reference="Menu.WebHome" /}}{{/async}}. The contents of Menu.WebHome is now visible from the comments viewer.

CVSS Scores

version 3.1