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cnvd-2022-85528

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XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to make XWiki create many new schemas and fill them with tables just by using a crafted user identifier in the login form. This may lead to degraded database performance. The problem has been patched in XWiki 13.10.8, 14.6RC1 and 14.4.2. Users are advised to upgrade. There are no known workarounds for this issue.

GHSA-4x5r-6v26-7j4v — Creation of new database tables through login form on PostgreSQL

Affected: Maven: org.xwiki.platform:xwiki-platform-oldcore

### Impact

It's possible to make XWiki create many new schemas and fill them with tables just by using a crafted user identifier in the login form.

### Patches

The problem has been patched in XWiki 13.10.8, 14.6RC1 and 14.4.2.

### Workarounds

The only workarounds for this are: * use an authenticator which does interpret the login as a reference to a document * using a different database than PostgreSQL * upgrade XWiki

### References

https://jira.xwiki.org/browse/XWIKI-19886

### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

Most recent entries from all

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GHSA-4x5r-6v26-7j4v — Creation of new database tables through login form on PostgreSQL

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