CVE-2019-9554 Cross-site scripting in n/a
Cross-site scripting vulnerability in Craft CMS allows attackers to inject malicious scripts via the header insertion field, potentially compromising user sessions.
- 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-2019-9554?
CVE-2019-9554 is a medium-severity cross-site scripting vulnerability in Craftcms Craft Cms, published on 31 Dec 2019. 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
In the 3.1.12 Pro version of Craft CMS, XSS has been discovered in the header insertion field when adding source code at an s/admin/entries/news/new URI.
Weakness: CWE-79
Which versions are affected by CVE-2019-9554?
It affects 1 product.
Products include Craftcms Craft Cms.
How do I fix CVE-2019-9554?
No fix has been published for CVE-2019-9554 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-2019-9554 being exploited?
There is no known exploitation of CVE-2019-9554 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Craftcms Craft Cms
Sources
Also known as GHSA-3ffr-8mcm-r575.