CVE-2021-32470 Craft CMS Cross-site Scripting Vulnerability
Cross-site scripting vulnerability in Craft CMS allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- 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
- Available
What is CVE-2021-32470?
CVE-2021-32470 is a medium-severity cross-site scripting vulnerability in Craftcms Craft Cms, published on 7 May 2021. 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
Craft CMS before 3.6.13 has an XSS vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2021-32470?
2 open source packages ship an affected version, including craftcms/cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
craftcms/cms Packagist | All versions | 3.6.13 |
craftcms/cms Packagist | All versions | 3.6.13 |
Products include Craftcms Craft Cms.
How do I fix CVE-2021-32470?
Upgrade craftcms/cms to 3.6.13 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-2021-32470 being exploited?
There is no known exploitation of CVE-2021-32470 in the wild and no public exploit code.
Other vulnerabilities in Craftcms Craft Cms
Sources
Also known as GHSA-h2rj-8wgg-mm43.