9.6

CVE-2021-31761: webmin Cross-site Scripting

CVSS: 9.6v3.1CriticalModified
Published 25-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-31761 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in webmin. EPSS estimates a 33.57% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 5 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
33.57%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits5github, reference, exploit-database

Timeline

  1. 25-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

33.57%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 33.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
33.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

5 found
  • githubUnverified

    Cve 2021 31761

    Maturity: poc

  • githubUnverified

    Cve 2021 31761

    Maturity: poc

  • referenceUnverified

    Exploit Reference (youtu.be)

    Maturity: unknown

Show all 5 exploits
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databaselinuxUnverified

    Webmin 1.973 - 'run.cgi' Cross-Site Request Forgery (CSRF)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Webmin1 product

1 vendor · 1 product

References

5 links