CVE-2019-20389 Subrion CMS XSS
Remote attackers can inject arbitrary JavaScript into the Subrion CMS configuration page via the language_switch parameter, leading to potential session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-20389?
CVE-2019-20389 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 May 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An XSS issue was identified on the Subrion CMS 4.2.1 /panel/configuration/general settings page. A remote attacker can inject arbitrary JavaScript code in the v[language_switch] parameter (within multipart/form-data), which is reflected back within a user's browser without proper output encoding.
Weakness: CWE-79
Which versions are affected by CVE-2019-20389?
2 open source packages ship an affected version, including intelliants/subrion. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
intelliants/subrion Packagist | All versions to 4.2.1 | None |
intelliants/subrion Packagist | All versions to 4.2.1 | None |
Products include Intelliants Subrion.
How do I fix CVE-2019-20389?
No fix has been published for CVE-2019-20389 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-2019-20389 being exploited?
There is no known exploitation of CVE-2019-20389 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xvgx-668j-f67p.