🛡️ CVE-2020-35129 — core

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-79 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Mautic stored Cross-site Scripting (XSS)

Mautic before 3.2.4 is affected by stored XSS. An attacker with access to Social Monitoring, an application feature, could attack other users, including administrators. For example, an attacker could load an externally drafted JavaScript file that would allow them to eventually perform actions on the target user’s behalf, including changing the user’s password or email address or changing the attacker’s user role from a low-privileged user to an administrator account.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2020-35129 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2020-35129 is recorded against 1 package.

  • mautic/core (fixed in 3.2.4)

Timeline and source

Published on 24 May 2022 and last revised on 23 April 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
forum.mautic.org (Web)
github.com (Package)
labs.bishopfox.com (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2024-04-23
Fix URL N/A

Affected Packages

Software From version Fixed in
mautic/core — 3.2.4

Similar Threats

Exploit Protection

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