CVE-2023-29516

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. 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. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. There are no known workarounds for this vulnerability.

Affected Software

Weaknesses

• CWE-74: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
• https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
• https://jira.xwiki.org/browse/XWIKI-20275

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
• https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
• https://jira.xwiki.org/browse/XWIKI-20275

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