CVE-2021-27915

9.0 criticalEPSS 0.6%

Critical (9.0) in acquia mautic. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.0 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-80
Published: 2024-09-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

acquia:mautic

References

https://github.com/mautic/mautic/security/advisories/GHSA-2rc5-2755-v422

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