CVE-2021-27911

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack through the contact's first or last name and triggered when viewing a contact's details page then clicking on the action drop down and hovering over the Campaigns button. Contact first and last name can be populated from different sources such as UI, API, 3rd party syncing, forms, etc.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 30, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-279125.4Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack when viewing Mautic assets by utilizing inline JS in the title CVE-2021-279133.5The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomnCVE-2021-279144.8A cross-site scripting (XSS) vulnerability in the installer component of Mautic before 4.3.0 allows admins to inject executable javascriptCVE-2021-279159.0Prior to the patched version, there is an XSS vulnerability in the description fields within the Mautic application which could be exploitedCVE-2021-279168.1Prior to the patched version, logged in users of Mautic are vulnerable to Relative Path Traversal/Arbitrary File Deletion. Regardless of theCVE-2021-279175.4Prior to this patch, a stored XSS vulnerability existed in the contact tracking and page hits report.CVE-2021-279187.5encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOFCVE-2021-279195.5archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for aCVE-2021-279217.5Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is notCVE-2021-279227.5Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is notCVE-2021-279237.5Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is notCVE-2021-279245.9An issue was discovered in Couchbase Server 6.x through 6.6.1. The Couchbase Server UI is insecurely logging session cookies in the logs. Th
CVE-2021-27911: Medium severity, CVSS 6.1 | Vulnix