CVE-2021-27676 Cross-site scripting in Centreon
Stored XSS in Centreon allows attackers to inject scripts via notification settings, 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
- Available
What is CVE-2021-27676?
CVE-2021-27676 is a medium-severity cross-site scripting vulnerability in Centreon Centreon, published on 26 May 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
Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.
Weakness: CWE-79
Which versions are affected by CVE-2021-27676?
2 open source packages ship an affected version, including centreon/centreon. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
centreon/centreon Packagist | All versions | 20.10.7 |
centreon/centreon Packagist | All versions | 20.10.7 |
Products include Centreon Centreon.
How do I fix CVE-2021-27676?
Upgrade centreon/centreon to 20.10.7 or later.
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-2021-27676 being exploited?
There is no known exploitation of CVE-2021-27676 in the wild and no public exploit code.
Other vulnerabilities in Centreon Centreon
Sources
Also known as GHSA-r5mf-q76q-f2xq.