CVE-2021-21314 XSS injection on ticket update
A logged-in user can inject malicious scripts via ticket updates in GLPI, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21314?
CVE-2021-21314 is a medium-severity cross-site scripting vulnerability in Glpi-Project Glpi, published on 3 Mar 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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 an XSS vulnerability involving a logged in user while updating a ticket.
Weakness: CWE-79
Which versions are affected by CVE-2021-21314?
It affects 1 product.
Products include Glpi-Project Glpi.
How do I fix CVE-2021-21314?
No fix has been published for CVE-2021-21314 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-21314 being exploited?
There is no known exploitation of CVE-2021-21314 in the wild and no public exploit code.
Other vulnerabilities in Glpi-Project Glpi
- CVE-2022-35914 Teclib GLPI Remote Code Execution
- CVE-2023-42802 GLPI vulnerable to unallowed PHP script execution
- CVE-2023-28849 GLPI vulnerable to SQL injection and Stored XSS via inventory agent request
- CVE-2022-35947 SQL injection in GLPI
- CVE-2022-31056 SQL injection with _actor parameter in GLPI
Sources
Also known as GHSA-2w7j-xgj7-3xgg, UBUNTU-CVE-2021-21314.