5.4

CVE-2020-26693: pfsense Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 01-06-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-26693 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in pfsense. EPSS estimates a 5.31% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
5.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1 which allows an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

5.31%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Pfsense1 product

1 vendor · 1 product

References

1 links