CVE-2021-27915 XSS Cross-site Scripting Stored (XSS) - Description field
A stored XSS vulnerability in Mautic's description fields allows logged-in users to execute scripts, potentially leading to elevated system access.
- 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-2021-27915?
CVE-2021-27915 is a high-severity cross-site scripting vulnerability in Mautic, published on 17 Sep 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Prior to the patched version, there is an XSS vulnerability in the description fields within the Mautic application which could be exploited by a logged in user of Mautic with the appropriate permissions.
This could lead to the user having elevated access to the system.
Which versions are affected by CVE-2021-27915?
2 open source packages ship an affected version, including mautic/core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mautic/core Packagist | From 1.0.0-beta2 | 4.4.12 |
mautic/core Packagist | From 1.0.0-beta2 | 4.4.12 |
Products include Acquia Mautic.
How do I fix CVE-2021-27915?
Upgrade mautic/core to 4.4.12 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-2021-27915 being exploited?
There is no known exploitation of CVE-2021-27915 in the wild and no public exploit code.
Other vulnerabilities in Mautic
- CVE-2022-25772 Cross-site Scripting vulnerability in Mautic's tracking pixel functionality
- CVE-2020-35125 Mautic is vulnerable to XSS vulnerability
- CVE-2020-35124 XSS vulnerability leveraged through referrers could allow un-authorized admin access in Mautic
- CVE-2024-47051 Remote Code Execution & File Deletion in Asset Uploads
- CVE-2020-35128 Mautic stored Cross-site Scripting (XSS)
Sources
Also known as GHSA-2rc5-2755-v422.