4.8

CVE-2026-111232: netgate pfsense ce Cross-site Scripting

CVSS: 4.8v4.0MediumAnalyzed
Published 15-10-2026Last modified 21-10-2026
Open JSON

Vulnerability summary

CVE-2026-111232 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in netgate pfsense ce. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v4.0 (CVE.org)
EPSS score
1.00%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 15-10-2026
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

Description

Netgate pfSense CE 2.3.0 through 2.9.0 contains a stored cross-site scripting vulnerability that allows authenticated users with Firewall: Rules or NAT: Port Forward privileges to inject scripts via the separator color field. Attackers can submit a crafted separator[] color value that display_separator() renders unencoded into class attributes, executing in administrators' browsers to perform WebGUI actions with their privileges.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

1.00%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

16-10-202621-10-2026
EPSS score
1.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Pfsense Separator Color Xss

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Netgate1 product
Pfsense1 product

2 vendors · 2 products

References

5 links