CVE-2023-29512: Code injection in xwiki-platform-web-templates
Impact Any user with edit rights on a page (e.g., it's own user page), can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the information loaded from attachments in imported.vm, importinline.vm, and packagelist.vm. This page is installed by default.
Reproduction steps are described in https://jira.xwiki.org/browse/XWIKI-20267
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 imported.vm, importinline.vm, and packagelist.vm.
References - https://github.com/xwiki/xwiki-platform/commit/e4bbdc23fea0be4ef1921d1a58648028ce753344 - https://jira.xwiki.org/browse/XWIKI-20267
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
Other sources
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with edit rights on a page (e.g., it's own user page), can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the information loaded from attachments in imported.vm, importinline.vm, and packagelist.vm. 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. Users are advised to upgrade. There are no known workarounds for this vulnerability.
— MITRE
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2023-29512?
The severity of CVE-2023-29512 is critical with a CVSS score of 8.8.
How can a user exploit CVE-2023-29512?
A user with edit rights on a page can execute arbitrary Groovy, Python, or Velocity code in XWiki, leading to full access to the XWiki installation.
Which version of XWiki is affected by CVE-2023-29512?
XWiki versions up to 13.10.11, versions 14.0 up to 14.4.8, and versions 14.5 up to 14.10.1 are affected by CVE-2023-29512.
How can I fix CVE-2023-29512?
To fix CVE-2023-29512, it is recommended to upgrade XWiki to a version that includes the security fixes mentioned in the referenced advisories and commit.
Where can I find more information about CVE-2023-29512?
More information about CVE-2023-29512 can be found in the referenced GitHub commit, security advisories, and Jira issue.