PT-2021-17666 · Mautic · Mautic

Rcheesley · Published 2021-08-30 · Updated 2021-09-03 · CVE-2021-27912

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Mautic versions prior to 3.3.4 Mautic versions prior to 4.0.0

Description: The issue allows for an inline JS XSS attack when viewing Mautic assets. This is achieved by utilizing inline JS in the title and adding a broken image URL as a remote asset. The attack can only be leveraged by an authenticated user with permission to create or edit assets.

Recommendations: Upgrade to version 3.3.4 or 4.0.0 to resolve the issue. As a temporary workaround, consider restricting access to create or edit assets to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-27912

GHSA-RH5W-82WH-JHR8

Affected Products

Mautic

References · 8

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/mautic/core/CVE-2021-27912.yaml · Exploit
• https://github.com/mautic/mautic/security/advisories/GHSA-rh5w-82wh-jhr8 · Patch
• https://osv.dev/vulnerability/CVE-2021-27912 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27912 · Security Note
• https://osv.dev/vulnerability/GHSA-rh5w-82wh-jhr8 · Vendor Advisory
• https://github.com/mautic/mautic · Note
• https://t.me/cvenotify/20367 · Telegram Post
• https://t.me/cvenotify/20641 · Telegram Post