Relative Path Traversal / Arbitrary File Deletion in Mautic (GrapesJS Builder)
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
Prior to the patched version, logged in users of Mautic are vulnerable to Relative Path Traversal/Arbitrary File Deletion. Regardless of the level of access the Mautic user had, they could delete files other than those in the media folders such as system files, libraries or other important files. This vulnerability exists in the implementation of the GrapesJS builder in Mautic.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mautic | Mautic | >= 3.3.0 – <= 4.4.11; >= 5.0.0 – <= 5.0.3 | — | No fix listed | CNA |
| — | mautic/core (Packagist) | 3.3.0 to before 4.4.12 | 4.4.12 | Patch available | GHSA-9fcx-cv56-w58p |
| — | mautic/core (Packagist) | 5.0.0-alpha to before 5.0.4 | 5.0.4 | Patch available | GHSA-9fcx-cv56-w58p |
- Mautic VendorMautic Affected >= 3.3.0 – <= 4.4.11; >= 5.0.0 – <= 5.0.3 Fixed in — No fix listed CNA
- mautic/core (Packagist) Vendor— Affected 3.3.0 to before 4.4.12 Fixed in 4.4.12 Patch available GHSA-9fcx-cv56-w58p
- mautic/core (Packagist) Vendor— Affected 5.0.0-alpha to before 5.0.4 Fixed in 5.0.4 Patch available GHSA-9fcx-cv56-w58p
Remediation
- Fix · GHSA-9fcx-cv56-w58p mautic/core (Packagist) Fixed in 4.4.12 Advisory →
- Fix · GHSA-9fcx-cv56-w58p mautic/core (Packagist) Fixed in 5.0.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27916
- 2026-10-03 Alias added: GHSA-9fcx-cv56-w58p
References
Advisory 2
More Mautic vulnerabilities
- TI-2022-09344 Cross-site scripting in Mautic CVSS 3.1CRITICAL 9.6
- TI-2024-02543 Predictable Page Indexing Might Lead to Sensitive Data Exposure in Mautic CVSS 3.1MEDIUM 5.3
- TI-2024-02544 Improper Access Control Issues Lead to Sensitive Data Exposure in Mautic CVSS 3.1MEDIUM 5.4
- TI-2024-03218 Improper Access Control Leads to Server-Side Request Forgery in Mautic CVSS 3.1MEDIUM 5.0
- TI-2024-31435 Remote Code Execution & File Deletion in Asset Uploads CVSS 3.1CRITICAL 9.9
- TI-2018-05847 Mautic before 2.13.0 allows CSV injection. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2021-27916 · CVE Program
- CVE-2021-27916 · NVD
- FIRST EPSS
- GHSA-9fcx-cv56-w58p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences