First published: Tue Apr 18 2023(Updated: )
### 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](https://github.com/xwiki/xwiki-platform/commit/e4bbdc23fea0be4ef1921d1a58648028ce753344) 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](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)
Credit: security-advisories@github.com security-advisories@github.com
Affected Software | Affected Version | How to fix |
---|---|---|
Xwiki Xwiki | <13.10.11 | |
Xwiki Xwiki | >=14.0<14.4.8 | |
Xwiki Xwiki | >=14.5<14.10.1 | |
maven/org.xwiki.platform:xwiki-platform-web-templates | >=14.5<14.10.1 | 14.10.1 |
maven/org.xwiki.platform:xwiki-platform-web-templates | >=14.0-rc-1<14.4.8 | 14.4.8 |
maven/org.xwiki.platform:xwiki-platform-web-templates | >=1.0B1<13.10.11 | 13.10.11 |
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The severity of CVE-2023-29512 is critical with a CVSS score of 8.8.
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.
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.
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.
More information about CVE-2023-29512 can be found in the referenced GitHub commit, security advisories, and Jira issue.