Vulnerability Description
GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is a vulnerability within the document upload function (Home > Management > Documents > Add, or /front/document.form.php endpoint), indeed one of the form field: "Web Link" is not properly sanitized and a malicious user (who has document upload rights) can use it to deliver JavaScript payload. For example if you use the following payload: " accesskey="x" onclick="alert(1)" x=", the content will be saved within the database without any control. And then once you return to the summary documents page, by clicking on the "Web Link" of the newly created file it will create a new empty tab, but on the initial tab the pop-up "1" will appear.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Glpi-Project | Glpi | < 9.5.4 |
Related Weaknesses (CWE)
References
- https://github.com/glpi-project/glpi/releases/tag/9.5.4Release NotesThird Party Advisory
- https://github.com/glpi-project/glpi/security/advisories/GHSA-c7f6-3mr7-3rq2Third Party Advisory
- https://github.com/glpi-project/glpi/releases/tag/9.5.4Release NotesThird Party Advisory
- https://github.com/glpi-project/glpi/security/advisories/GHSA-c7f6-3mr7-3rq2Third Party Advisory
FAQ
What is CVE-2021-21312?
CVE-2021-21312 is a vulnerability with a CVSS score of 5.4 (MEDIUM). GLPI is open source software which stands for Gestionnaire Libre de Parc Informatique and it is a Free Asset and IT Management Software package. In GLPI before verison 9.5.4, there is a vulnerability ...
How severe is CVE-2021-21312?
CVE-2021-21312 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21312?
Check the references section above for vendor advisories and patch information. Affected products include: Glpi-Project Glpi.