GHSA-3989-4c6x-725f

ghsaUSosv

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

Advisory ansehen veröffentlicht 2023-04-20Lizenz: CC-BY-4.0

### 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)

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beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2023-29516UShigh8.8—
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 arbitra…
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

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