XWiki exposes passwords and emails stored in fields not named password/email in xml.vm
Impact
The XML export of a page in XWiki that can be triggered by any user with view rights on a page by appending ?xpage=xml to the URL includes password and email properties stored on a document that aren't named password or email. This allows any user to obtain the salted and hashed user account validation or password reset token. As those tokens are randomly generated strings, the immediate impact of this should be low. The user's password and email itself aren't exposed as those fields are named password and email and thus aren't affected. However, depending on how the wiki is used, there could be extensions or custom code that store passwords in plain text in such password properties that would be exposed by this vulnerability.
Patches
This vulnerability has been fixed by completely removing the output of password and email fields in this XML export in versions 17.2.0 RC1, 16.10.5 and 16.4.7.
Workarounds
If this XML export isn't needed, the file templates/xml.vm in the deployed WAR can be deleted. There isn't any feature in XWiki itself that depends on this XML export.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-legacy-oldcore | >= 1.1, < 16.4.7, >= 16.5.0-rc-1, < 16.10.5, >= 17.0.0-rc-1, < 17.2.0-rc-1 | 16.4.7, 16.10.5, 17.2.0-rc-1 |
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-oldcore | >= 1.1, < 16.4.7, >= 16.5.0-rc-1, < 16.10.5, >= 17.0.0-rc-1, < 17.2.0-rc-1 | 16.4.7, 16.10.5, 17.2.0-rc-1 |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-359- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.platform:xwiki-platform-legacy-oldcore, org.xwiki.platform:xwiki-platform-oldcore- Disclosed
- 05.08.2025
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-57q2-6cp4-9mq3 - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-oldcore
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
- 46
- First → latest
- 09.2020 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 12
- High 17
- Medium 15
- Low 2
Disclosures per year
- 2020: 2
- 2021: 1
- 2022: 12
- 2023: 15
- 2024: 7
- 2025: 6
- 2026: 3
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