CVE-2021-27911
Last modified
CVE-2021-27911 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Acquia | Mautic | < 3.3.4 | — |
| Acquia | Mautic | 4.0.0 | Alpha1 |
References
- https://github.com/mautic/mautic/security/advisories/GHSA-72hm-fx78-xwhcPatch, Third Party Advisory
- https://github.com/mautic/mautic/security/advisories/GHSA-72hm-fx78-xwhcPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27911?
How severe is CVE-2021-27911?
How do I fix CVE-2021-27911?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27905The ReplicationHandler (normally registered at "/replication…9.8
- CVE-2021-27906A carefully crafted PDF file can trigger an OutOfMemory-Exce…5.5
- CVE-2021-27907Apache Superset up to and including 0.38.0 allowed the creat…5.4
- CVE-2021-27908In all versions prior to Mautic 3.3.2, secret parameters suc…4.4
- CVE-2021-27909For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vu…6.1
- CVE-2021-27910Insufficient sanitization / filtering allows for arbitrary J…6.1
- CVE-2021-27912Mautic versions before 3.3.4/4.0.0 are vulnerable to an inli…5.4
- CVE-2021-27913The function mt_rand is used to generate session tokens, thi…3.5
- CVE-2021-27914A cross-site scripting (XSS) vulnerability in the installer …4.8
- CVE-2021-27915Prior to the patched version, there is an XSS vulnerability …9
- CVE-2021-27916Prior to the patched version, logged in users of Mautic are …8.1
- CVE-2021-27917Prior to this patch, a stored XSS vulnerability existed in t…5.4
Are you affected by CVE-2021-27911?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST