CVE-2021-31761
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command...
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.6
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
- Record
CVE-2021-31761- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
- Record
CVE-2021-31761- Updated
- 2026-11-02
EUVDEUVD-2021-18645 No score
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
- Record
EUVD-2021-18645- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v8w5-257f-g592 No score
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command...
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
- Record
GHSA-v8w5-257f-g592- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
9.6
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.
- Record
CVE-2021-31761- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Webmin 1.973 - 'run.cgi' Cross-Site Request Forgery (CSRF) | 2021-07-20 |
| PoC in GitHub | Mesh3l911/CVE-2021-31761 | 2021-04-21 |
| PoC in GitHub | electronicbots/CVE-2021-31761 | 2021-04-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31761 is a critical vulnerability (CVSS 9.6) in Webmin, published April 25, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 33.6%, the 98th percentile. No source names a fixed version.