GitHub Advisoryadvisory · Maven

GHSA-3989-4c6x-725f XWiki Platform vulnerable to privilege escalation from view right on XWiki.AttachmentSelector

CRITICAL Published 2023-04-20 Modified 2023-04-20 Official page ↗
Aliases
CVE-2023-29516
Ecosystem
Maven
Packages
org.xwiki.platform:xwiki-platform-attachment-ui
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Weaknesses
CWE-74, CWE-95
Reviewed
2023-04-20

Affected packages

• Maven org.xwiki.platform:xwiki-platform-attachment-ui: >= 2.0-rc-2, < 13.10.11 → fixed in 13.10.11 • Maven org.xwiki.platform:xwiki-platform-attachment-ui: >= 14.0-rc-1, < 14.4.8 → fixed in 14.4.8 • Maven org.xwiki.platform:xwiki-platform-attachment-ui: >= 14.5, < 14.10.1 → fixed in 14.10.1

Description

Impact Any user with view rights on `XWiki.AttachmentSelector` can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping in the "Cancel and return to page" button. This page is installed by default. See https://jira.xwiki.org/browse/XWIKI-20275 for the reproduction steps. Patches The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. Workarounds The issue can be fixed by applying this patch on `XWiki.AttachmentSelector`. References • https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996 • https://jira.xwiki.org/browse/XWIKI-20275 For more information If you have any questions or comments about this advisory: • Open an issue in Jira XWiki.org • Email us at Security Mailing List

Related

Alias · CVE (1)

  • CVE-2023-29516 XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. vulnerability

Weakness · CWE (2)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
  • CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code weakness

References