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Vulnerability record · CVE-2021-27915 · published 17 September 2024

CVE-2021-27915: Acquia mautic cross-site scripting vulnerability

AAcquia · Mautic

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.

9.0 CVSS 3.1 Critical EPSS 0.62% · top 52.4% CWE-80 · CWE-80CWE-79 · Cross-site scripting
9.0CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-27915), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.