CVE-2020-35124: XSS
First published: Thu Jan 14 2021(Updated: )
### 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 security@mautic.org
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/mautic/core | >=3.2.0<3.2.4>=3.1.0<3.2.0>=3.0.0<3.1.0>=2.0.0<2.16.5 | |
| Acquia Mautic | <3.2.4 | |
| composer/mautic/core | >=2.0.0<2.16.5 | 2.16.5 |
| composer/mautic/core | >=3.0.0<3.2.4 | 3.2.4 |
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Reference Links
- https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4
- https://forum.mautic.org/c/announcements/16
- https://github.com/mautic/mautic/security/advisories/GHSA-39wj-j3jc-858m
- https://www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce
- https://github.com/mautic/mautic/commit/20c5dc39b62164f6922ce53ea42cbb4ccec64e57
- https://packagist.org/packages/mautic/core
- https://nvd.nist.gov/vuln/detail/CVE-2020-35124
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mautic/core/CVE-2020-35124.yaml
- https://github.com/advisories/GHSA-39wj-j3jc-858m (Advisory)
Frequently Asked Questions
What is CVE-2020-35124?
CVE-2020-35124 is a highly critical cross-site scripting (XSS) vulnerability in the assets component of Mautic before version 3.2.4.
What is the severity of CVE-2020-35124?
The severity of CVE-2020-35124 is rated as critical with a score of 9.6.
How does CVE-2020-35124 impact Mautic?
CVE-2020-35124 allows remote attackers to inject executable JavaScript through the Referer header of asset downloads in Mautic.
Which versions of Mautic are affected by CVE-2020-35124?
Mautic versions 2.0.0 to 2.16.5, and versions 3.0.0 to 3.2.0 are affected by CVE-2020-35124.
How can CVE-2020-35124 be fixed?
To fix CVE-2020-35124, upgrade Mautic to version 3.2.4 or later.
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