Headline
GHSA-3989-4c6x-725f: XWiki Platform vulnerable to privilege escalation from view right on XWiki.AttachmentSelector
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
Package
maven org.xwiki.platform:xwiki-platform-attachment-ui (Maven)
Affected versions
>= 2.0-rc-2, < 13.10.11
>= 14.0-rc-1, < 14.4.8
>= 14.5, < 14.10.1
Patched versions
13.10.11
14.4.8
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
- xwiki/xwiki-platform@aca1d67
- 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
References
- GHSA-3989-4c6x-725f
- https://nvd.nist.gov/vuln/detail/CVE-2023-29516
- xwiki/xwiki-platform@aca1d67
- https://jira.xwiki.org/browse/XWIKI-20275
tmortagne published to xwiki/xwiki-platform
Apr 18, 2023
Published to the GitHub Advisory Database
Apr 20, 2023
Reviewed
Apr 20, 2023
Last updated
Apr 20, 2023
Related news
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.