XWiki does not require right warnings for notification displayer objects
Impact
When a user without script right creates a document with an XWiki.Notifications.Code.NotificationDisplayerClass object, and later an admin edits and saves that document, the possibly malicious content of that object is output as raw HTML, allowing XSS attacks. While the notification displayer executes Velocity, the existing generic analyzer already warns admins before editing Velocity code. Note that warnings before editing documents with dangerous properties have only been introduced in XWiki 15.9, before that version, this was a known issue and the advice was simply to be careful.
Patches
This vulnerability has been patched in XWiki 15.10.16, 16.4.7, and 16.10.2 by adding a required rights analyzer that warns the admin before editing about the possibly malicious code.
Workarounds
We're not aware of any real workarounds apart from just being careful with editing documents previously edited by untrusted users as a user with script, admin or programming right.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-notifications-notifiers-default | >= 15.9-rc-1, < 15.10.16, >= 16.0.0-rc-1, < 16.4.7, >= 16.5.0-rc-1, < 16.10.2 | 15.10.16, 16.4.7, 16.10.2 |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H- Weakness (CWE)
CWE-357- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.platform:xwiki-platform-notifications-notifiers-default- Disclosed
- 13.06.2025
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-j7p2-87q3-44w7 - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-notifications-notifiers-default
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 06.2025 06.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
Disclosures per year
- 2025: 2
- 2026: 0
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