CVE-2023-29507: org.xwiki.platform:xwiki-platform-oldcore makes Incorrect Use of Privileged APIs with DocumentAuthors
Impact
The Document script API returns directly a DocumentAuthors allowing to set any authors to the document, which in consequence can allow subsequent executions of scripts since this author is used for checking rights. Example of such attack:
{{velocity}} $doc.setContent('{{velocity}}$xcontext.context.authorReference{{/velocity}}') $doc.authors.setContentAuthor('xwiki:XWiki.superadmin') $doc.getRenderedContent() {{/velocity}}
Patches The problem has been patched in XWiki 14.10 and 14.4.7 by returning a safe script API.
Workarounds There no easy workaround apart of upgrading.
References
https://jira.xwiki.org/browse/XWIKI-20380 https://github.com/xwiki/xwiki-platform/commit/905cdd7c421dbf8c565557cdc773ab1aa9028f83
For more information If you have any questions or comments about this advisory: Open an issue in Jira Email us at security ML
Other sources
XWiki Commons are technical libraries common to several other top level XWiki projects. The Document script API returns directly a DocumentAuthors allowing to set any authors to the document, which in consequence can allow subsequent executions of scripts since this author is used for checking rights. The problem has been patched in XWiki 14.10 and 14.4.7 by returning a safe script API.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2023-29507?
CVE-2023-29507 has been classified as a moderate severity vulnerability due to its potential impact on document author integrity.
How do I fix CVE-2023-29507?
To fix CVE-2023-29507, upgrade to the latest version of the 'org.xwiki.platform:xwiki-platform-oldcore' package, specifically to version 14.4.7 or 14.10.
What does CVE-2023-29507 exploit?
CVE-2023-29507 exploits the Document script API's ability to alter document authors, which can result in unauthorized script execution.
Which versions are affected by CVE-2023-29507?
CVE-2023-29507 affects versions of the 'org.xwiki.platform:xwiki-platform-oldcore' package between 14.4.1 and 14.4.7, as well as versions from 14.5 to 14.10-rc1.
What are the consequences of not addressing CVE-2023-29507?
Failing to address CVE-2023-29507 can lead to unauthorized script executions which may compromise the security of document handling in XWiki.