6.1

CVE-2022-42247: pfsense Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 03-10-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-42247 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in pfsense. EPSS estimates a 3.29% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
3.29%
0%100%
Low · +0.58 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 03-10-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into a file name.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.29%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.58 pp

From 2.71% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    B4Ca7A4Fb52E1B5E698F87E4D655A70A

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Pfsense1 product

1 vendor · 1 product

References

2 links