CVE-2023-29513
Users can be created even when registration is disabled without validation via the template macro in xwiki-platform
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Users can be created even when registration is disabled without validation via the template macro in xwiki-platform
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
- Record
CVE-2023-29513- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2023-1293
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
- Record
EUVD-2023-1293- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fp36-mjw5-fmgx
xwiki-platform-web-templates allows users to be created even when registration is disabled without validation via template macro
Impact
If a guest has view rights on any document, it's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context.
To reproduce:
- On a wiki with view rights for guests but user registration disabled, open as guest <server>/xwiki/bin/view/Main?sheet=CKEditor.HTMLConverter&language=en&sourceSyntax=xwiki%2F2.1&stripHTMLEnvelope=true&fromHTML=false&toHTML=true&text=%7B%7Btemplate+name%3D%22distribution%2Ffirstadminuser.wiki%22+%2F%7D%7D where <server> is the URL of your XWiki installation.
- Enter username and password of your choice.
- Click "Register and login"
Patches
The vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1.
Workarounds
There is no known workaround other than upgrading.
References
https://jira.xwiki.org/browse/XWIKI-19852 https://jira.xwiki.org/browse/XWIKI-20400
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
- Record
GHSA-fp36-mjw5-fmgx- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
- Record
CVE-2023-29513- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
Users can be created even when registration is disabled without validation via the template macro in xwiki-platform
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
- Record
CVE-2023-29513- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVGHSA-fp36-mjw5-fmgx
xwiki-platform-web-templates allows users to be created even when registration is disabled without validation via template macro
Impact
If a guest has view rights on any document, it's possible to create a new user using the distribution/firstadminuser.wiki in the wrong context.
To reproduce:
- On a wiki with view rights for guests but user registration disabled, open as guest <server>/xwiki/bin/view/Main?sheet=CKEditor.HTMLConverter&language=en&sourceSyntax=xwiki%2F2.1&stripHTMLEnvelope=true&fromHTML=false&toHTML=true&text=%7B%7Btemplate+name%3D%22distribution%2Ffirstadminuser.wiki%22+%2F%7D%7D where <server> is the URL of your XWiki installation.
- Enter username and password of your choice.
- Click "Register and login"
Patches
The vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1.
Workarounds
There is no known workaround other than upgrading.
References
https://jira.xwiki.org/browse/XWIKI-19852 https://jira.xwiki.org/browse/XWIKI-20400
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
- Record
GHSA-fp36-mjw5-fmgx- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.xwiki.platform:xwiki-platform-web-templatesMaven |
8.0-rc-1 up to 14.10.1 | 14.10.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-29513 is a medium vulnerability (CVSS 5.0) in Xwiki, published April 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. Fixed in org.xwiki.platform:xwiki-platform-web-templates 14.10.1.
References
github.com/xwiki/xwiki-platform/security/advisories/GHSA-fp36-mjw5-fmgx
jira.xwiki.org/browse/XWIKI-19852
nvd.nist.gov/vuln/detail/CVE-2023-29513