A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4…
Priority MEDIUM 46CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript through the Referer header of asset downloads.
Why it matters now
EPSS 0.02425 84th percentileScored 2026-11-07
Fix Fixed mautic/core (Packagist): 3.2.4, 2.16.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | mautic/core (Packagist) | 3.0.0 to before 3.2.4 | 3.2.4 | Patch available | GHSA-39wj-j3jc-858m |
| — | mautic/core (Packagist) | 2.0.0 to before 2.16.5 | 2.16.5 | Patch available | GHSA-39wj-j3jc-858m |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- mautic/core (Packagist) Vendor— Affected 3.0.0 to before 3.2.4 Fixed in 3.2.4 Patch available GHSA-39wj-j3jc-858m
- mautic/core (Packagist) Vendor— Affected 2.0.0 to before 2.16.5 Fixed in 2.16.5 Patch available GHSA-39wj-j3jc-858m
Remediation
- Fix · GHSA-39wj-j3jc-858m mautic/core (Packagist) Fixed in 3.2.4 Advisory →
- Fix · GHSA-39wj-j3jc-858m mautic/core (Packagist) Fixed in 2.16.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35124
- 2026-10-03 Alias added: GHSA-39wj-j3jc-858m
References
Advisory 5
- https://forum.mautic.org/c/announcements/16
- https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4
- https://www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce
- https://github.com/mautic/mautic/security/advisories/GHSA-39wj-j3jc-858m
- https://nvd.nist.gov/vuln/detail/CVE-2020-35124
More Acquia Mautic vulnerabilities
- TI-2022-09344 Cross-site scripting in Mautic CVSS 3.1CRITICAL 9.6
- TI-2024-31435 Remote Code Execution & File Deletion in Asset Uploads CVSS 3.1CRITICAL 9.9
- TI-2020-17837 A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4… CVSS 3.1CRITICAL 9.6
- TI-2022-09342 Improper regex in htaccess file CVSS 3.1CRITICAL 9.1
- TI-2021-09250 XSS Cross-site Scripting Stored (XSS) - Description field CVSS 3.1CRITICAL 9.0
- TI-2020-17840 Mautic before 3.2.4 is affected by stored XSS. CVSS 3.1CRITICAL 9.0
Sources
- CVE-2020-35124 · CVE Program
- CVE-2020-35124 · NVD
- FIRST EPSS
- GHSA-39wj-j3jc-858m · GitHub Advisory Database · CC BY 4.0
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