CVE-2021-21258 XSS injection in ajax/kanban
Attackers can inject malicious scripts via the kanban AJAX endpoint in GLPI, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21258?
CVE-2021-21258 is a medium-severity cross-site scripting vulnerability in Glpi-Project Glpi, published on 2 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI from version 9.5.0 and before version 9.5.4, there is a cross-site scripting injection vulnerability when using ajax/kanban.php. This is fixed in version 9.5.4.
Weakness: CWE-79
Which versions are affected by CVE-2021-21258?
It affects 1 product.
Products include Glpi-Project Glpi.
How do I fix CVE-2021-21258?
No fix has been published for CVE-2021-21258 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-2021-21258 being exploited?
There is no known exploitation of CVE-2021-21258 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-j4xj-4qmc-mmmx, UBUNTU-CVE-2021-21258.