CVE-2020-35125
Mautic is vulnerable to XSS vulnerability
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
- Record
CVE-2020-35125- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
- Record
CVE-2020-35125- Updated
- 2026-11-02
EUVDEUVD-2024-1397 No score
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
- Record
EUVD-2024-1397- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-42q7-95j7-w62m
Mautic is vulnerable to XSS vulnerability
Impact
This is a cross-site scripting vulnerability which affects every version of Mautic and could allow an attacker unauthorised administrator level access to Mautic.
This vulnerability was reported by Naveen Sunkavally at Horizon3.ai.
Patches
Upgrade to 3.2.4 or 2.16.5.
Link to patch for 2.x versions: https://github.com/mautic/mautic/compare/2.16.4...2.16.5.diff
Link to patch for 3.x versions: https://github.com/mautic/mautic/compare/3.2.2...3.2.4.diff
Workarounds
None
For more information
If you have any questions or comments about this advisory:
- Post in https://forum.mautic.org/c/support
- Email us at [email protected]
- Record
GHSA-42q7-95j7-w62m- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
- Record
CVE-2020-35125- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-42q7-95j7-w62m
Mautic is vulnerable to XSS vulnerability
Impact
This is a cross-site scripting vulnerability which affects every version of Mautic and could allow an attacker unauthorised administrator level access to Mautic.
This vulnerability was reported by Naveen Sunkavally at Horizon3.ai.
Patches
Upgrade to 3.2.4 or 2.16.5.
Link to patch for 2.x versions: https://github.com/mautic/mautic/compare/2.16.4...2.16.5.diff
Link to patch for 3.x versions: https://github.com/mautic/mautic/compare/3.2.2...3.2.4.diff
Workarounds
None
For more information
If you have any questions or comments about this advisory:
- Post in https://forum.mautic.org/c/support
- Email us at [email protected]
- Record
GHSA-42q7-95j7-w62m- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mautic/corePackagist |
before 2.16.5 | 2.16.5 |
mautic/corePackagist |
3.0.0 up to 3.2.4 | 3.2.4 |
mautic/corePackagist |
before 2.16.5, plus listed versions 1.0.01.0.0-beta1.0.0-beta21.0.0-beta31.0.0-beta4 Show 45 moreShow less1.0.0-rc11.0.0-rc21.0.0-rc31.0.0-rc41.0.11.0.21.0.31.0.41.0.51.1.01.1.11.1.21.1.31.2.01.2.0-beta11.2.11.2.21.2.31.2.41.3.01.3.11.4.01.4.12.0.02.0.12.1.02.1.12.10.02.10.0-beta2.10.12.11.02.11.0-beta2.12.02.12.0-beta2.12.12.12.1-beta2.12.22.12.2-beta2.13.02.13.0-beta2.13.12.14.02.14.0-beta2.14.12.14.1-beta |
2.16.5 |
mautic/corePackagist |
3.0.0 up to 3.2.4, plus listed versions 3.0.13.0.23.0.2-rc3.1.03.1.0-rc Show 10 moreShow less3.1.13.1.1-rc3.1.23.1.2-rc3.2.03.2.0-rc3.2.13.2.23.2.2-rc3.2.3 |
3.2.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35125 is a critical vulnerability (CVSS 9.6) in Acquia Mautic, published February 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.73%, the 86th percentile. Fixed in mautic/core 2.16.5.
References
forum.mautic.org/c/announcements/16
mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4
horizon3.ai/disclosures/mautic-unauth-xss-to-rce
github.com/mautic/mautic/security/advisories/GHSA-42q7-95j7-w62m
nvd.nist.gov/vuln/detail/CVE-2020-35125
packagist.org/packages/mautic/core
Left out here: 36 versions. The JSON record has them.