CVE-2024-55492
Published: 18 December 2024
Summary
CVE-2024-55492 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Magicwinmail Winmail Server. Its CVSS base score is 6.1 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 43.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-52776
Vulnerability details
Winmail Server 4.4 is vulnerable to f_user=%22%3E%3Csvg%20onload Cross Site Scripting (XSS).
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The reflected XSS vulnerability (CVE-2024-55492) in the public-facing Winmail Server web application enables adversaries to exploit public-facing applications for initial access via malicious payloads like SVG onload.
Affected Assets
Mitigating Controls
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.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.