Cyber Resilience

CVE-2023-47129

Statamic ≤ 3.4.13

Published
10 November 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 8.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.011 63th percentile
Risk Priority 66 floored blend · peak EPSS

Summary

CVE-2023-47129 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Statamic Statamic. Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 37% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

Statamic, a core Laravel-based content management system distributed as a Composer package, is affected by an unrestricted file upload vulnerability in versions prior to 3.4.13 and 4.33.0. The flaw resides in the Forms feature and allows PHP files that have been crafted to resemble images to be uploaded through front-end forms containing an asset upload field. It does not impact arbitrary forms or the control panel.

An unauthenticated remote attacker who can reach a vulnerable front-end form can upload a malicious PHP payload. Successful exploitation may lead to arbitrary code execution on the server, with the CVSS vector reflecting high impact across confidentiality, integrity, and availability under conditions of user interaction and network access.

The official GitHub Security Advisory GHSA-72hg-5wr5-rmfc and the associated commits in the Statamic CMS repository recommend immediate upgrade to the patched releases 3.4.13 or 4.33.0. These updates enforce proper validation and filtering of uploaded assets on forms.

The EPSS score has remained flat at 0.0596 with no material increase since disclosure, indicating limited observed exploitation interest to date.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Statmic is a core Laravel content management system Composer package. Prior to versions 3.4.13 and 4.33.0, on front-end forms with an asset upload field, PHP files crafted to look like images may be uploaded. This only affects forms using the…

more

"Forms" feature and not just _any_ arbitrary form. This does not affect the control panel. This issue has been patched in 3.4.13 and 4.33.0.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1505 Server Software Component Persistence
Adversaries may abuse legitimate extensible development features of servers to establish persistent access to systems.
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
T1105 Ingress Tool Transfer Command And Control
Adversaries may transfer tools or other files from an external system into a compromised environment.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-48217Same product: Statamic Statamic
CVE-2026-33171Same product: Statamic Statamic
CVE-2026-28423Same product: Statamic Statamic
CVE-2026-27939Same product: Statamic Statamic
CVE-2026-28425Same product: Statamic Statamic
CVE-2026-25633Same product: Statamic Statamic
CVE-2023-48701Same product: Statamic Statamic
CVE-2026-33887Same product: Statamic Statamic
CVE-2024-24570Same product: Statamic Statamic
CVE-2026-33172Same product: Statamic Statamic

Affected Assets

statamic
statamic
≤ 3.4.13 · 4.0.0 — 4.33.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V5.1.1

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-05 mostly match
prevents

Restricting execution of unauthorized software directly blocks dangerous uploaded files from running.

PR.PS-01 partial match
prevents

Hardened configuration baselines can enforce allowed file types and processing rules.

PR.PS-06 partial match
prevents

Secure development practices include input validation and file-type restrictions that prevent this weakness.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Configuration and acceptance testing verify that file-upload handling enforces allowed types and does not permit dangerous content to be stored or executed.

prevents

Secure-coding guidelines and security testing explicitly address restrictions on allowed file types and upload handling, reducing the risk that dangerous file uploads are accepted without validation.

prevents

Mandated testing for malicious content and known vulnerabilities reduces the likelihood that an outsourced component will contain or accept dangerous file types that could later be uploaded or executed.

mitigates

Application allow-listing and pre-use scanning of received files directly blocks the introduction of executable content that has not been vetted, eliminating the primary vector for unrestricted dangerous file uploads.

References