Winmail Server 4.4 is vulnerable to f_user=%22%3E%3Csvg%20onload Cross Site Scripting (XSS).
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Winmail Server 4.4 is vulnerable to f_user=%22%3E%3Csvg%20onload Cross Site Scripting (XSS).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00286 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:magicwinmail:winmail_server:4.4:-:*:*:*:*:*:* | 4.4 | Vulnerable | Magicwinmail |
- cpe:2.3:a:magicwinmail:winmail_server:4.4:-:*:*:*:*:*:* Versions 4.4 Vulnerable ·Magicwinmail
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-55492
- 2026-10-03 Alias added: GHSA-8q3p-665g-pf6p
References
More Magicwinmail Winmail Server vulnerabilities
- TI-2018-04110 Winmail Server through 6.2 allows remote code execution by authenticated users who… CVSS 3.0HIGH 8.8
- TI-2017-07218 Winmail Server 6.1 allows remote code execution by authenticated users who leverage… CVSS 3.1HIGH 8.8
Sources
- CVE-2024-55492 · CVE Program
- CVE-2024-55492 · NVD
- FIRST EPSS
- GHSA-8q3p-665g-pf6p · GitHub Advisory Database · CC BY 4.0
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