CVE-2021-27915
Mautic vulnerable to stored cross-site scripting in description field
Description
### Impact 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. ### Patches Update to 4.4.12 ### Workarounds None ### References - https://owasp.org/www-project-top-ten/2017/A7_2017-Cross-Site_Scripting_(XSS) - https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/07-Input_Validation_Testing/02-Testing_for_Stored_Cross_Site_Scripting If you have any questions or comments about this advisory: Email us at [security@mautic.org](mailto:security@mautic.org)
How to fix CVE-2021-27915
To remediate CVE-2021-27915, upgrade the affected package to a fixed version below.
- —upgrade to 4.4.12 or later
Is CVE-2021-27915 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.0.0-beta2, < 4.4.12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L |