NetSight
critical9.9

CVE-2023-29516

XWiki Platform vulnerable to privilege escalation from view right on XWiki.AttachmentSelector

Impact

### 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](https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996) 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](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.xwiki.platform:xwiki-platform-attachment-ui>= 2.0-rc-2, < 13.10.1113.10.11

Affected products

VendorProductAffected versions
XwikiXwiki
before 13.10.11
from 14.0 before 14.4.8
from 14.5 before 14.10.1

Weakness classification

References