GHSA-g9jj-75mx-wjcx: SQL Injection
First published: Wed Apr 23 2025(Updated: )
### Impact It is possible for a user with SCRIPT right to escape from the HQL execution context and perform a blind SQL injection to execute arbitrary SQL statements on the database backend. Depending on the used database backend, the attacker may be able to not only obtain confidential information such as password hashes from the database, but also execute UPDATE/INSERT/DELETE queries. The vulnerability may be tested in a default installation of XWIki Standard Flavor, including using the official Docker containers. For example, with a MySQL or MariaDB database, you can use the following script (which a user having SCRIPT right but not PROGRAMMING right) to get the content of the xwikistrings table (which contain all the short string fields stored in objects, including passwords): ``` {{velocity}} $services.query.hql("where 1<>'1\'' union select concat(XWS_NAME, XWS_VALUE) from xwikistrings #'").execute() {{/velocity}} ``` ### Patches This has been patched in 16.10.1, 16.4.6 and 15.10.16. ### Workarounds There is no known workaround, other than upgrading XWiki. The protection added to this REST API is the same as the one used to validate complete select queries, making it more consistent. However, while the script API always had this protection for complete queries, it's important to note that it's a very strict protection and some valid, but complex, queries might suddenly require the author to have programming right. ### References https://jira.xwiki.org/browse/XWIKI-22718 ### 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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=16.5.0-rc-1<16.10.1 | 16.10.1 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=16.0.0-rc-1<16.4.6 | 16.4.6 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=1.6-milestone-1<15.10.16 | 15.10.16 |
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Frequently Asked Questions
What is the severity of GHSA-g9jj-75mx-wjcx?
The severity of GHSA-g9jj-75mx-wjcx is critical due to the potential for blind SQL injection and unauthorized access to confidential data.
How do I fix GHSA-g9jj-75mx-wjcx?
To fix GHSA-g9jj-75mx-wjcx, upgrade to version 16.10.1, 16.4.6, or 15.10.16 of the vulnerable package.
Who is affected by GHSA-g9jj-75mx-wjcx?
GHSA-g9jj-75mx-wjcx affects users of the xwiki-platform-oldcore package versions between 16.0.0-rc-1 and 16.10.1, 15.10.16, and 1.6-milestone-1.
What types of attacks can exploit GHSA-g9jj-75mx-wjcx?
GHSA-g9jj-75mx-wjcx can be exploited for blind SQL injection attacks which may allow attackers to execute arbitrary SQL commands on the database.
What should I do if I can't upgrade to fix GHSA-g9jj-75mx-wjcx?
If an immediate upgrade is not possible, consider implementing additional security measures, such as input validation and access controls to mitigate the risk.
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