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Vulnerability Intelligence

CVE-2022-29273

Medium

pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.

Published Feb 22, 2023 · Updated Mar 12, 2025

Key Facts

Patch immediately
  • CVE-2022-29273 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Pfsense (Netgate).
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 60% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Pfsense <=2.6.0, Pfsense 22.05, Pfsense 2.6.0.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

60%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

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Description

pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
PfsenseNetgateSee advisory2.6.0

Patched Releases

Pfsense

<=2.6.0, 22.05

Timeline

  1. Publicly disclosed

    Feb 22, 2023

  2. Last updated

    Mar 12, 2025

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

FAQ

Common Questions.

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