Django-mdeditor Unauthenticated File Upload to RCE

All versions of the package django-mdeditor are vulnerable to Missing Authentication for Critical Function in the image upload endpoint. An attacker can upload malicious files and achieve arbitrary code execution since this endpoint lacks authentication protection and proper sanitisation of file names.

Casky was already ahead

This CVE exploits attack patterns that Casky's 261matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

Django-mdeditor versions across all releases contain a critical authentication bypass in their image upload endpoint. Attackers can upload arbitrary files without any authentication checks, and due to insufficient filename sanitization, these files can be executed on the server to achieve remote code execution. This vulnerability affects any Django application using django-mdeditor, particularly those exposed to untrusted networks or the internet. The lack of authentication combined with improper input validation creates a direct path from unauthenticated access to full system compromise.

Casky's 261 mapped skills leverage Claude's extended reasoning to detect the attack patterns underlying this CVE across MITRE ATT&CK techniques TA0004 (Privilege Escalation) and TA0006 (Credential Access). Practitioners would see findings related to unauthenticated endpoint exploitation, suspicious file upload activities with executable extensions, and post-exploitation indicators like unexpected process execution following file uploads. The skills correlate missing authentication controls (CWE-306) with behavioral patterns typical of initial access and code execution chains, enabling defenders to identify both attempted exploitation and successful compromise through file system anomalies, web server logs showing 200 responses to upload requests from untrusted sources, and downstream command execution artifacts.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

261 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2025-13030.

analyzing-cloud-storage-access-patterns

cloud security · low

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analyzing-kubernetes-audit-logs

container security · low

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analyzing-malicious-url-with-urlscan

phishing defense · medium

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2025-13030

Casky has 261 skills that investigate the attack patterns behind CVE-2025-13030. Run one and get CVSS-scored findings in 3 minutes.

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