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Fencer Vulns
critical 9.3

CVE-2024-46538 in the critical feed json

A cross-site scripting (XSS) vulnerability in pfsense v2.5.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payloa…

published 2024-10-22 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-41866

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
80.3%
EPSS 80.3% chance of exploitation in 30 days, percentile 99.6%
public exploits
0
none known

Summary

A cross-site scripting (XSS) vulnerability in pfsense v2.5.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the $pconfig variable at interfaces_groups_edit.php.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

80.29% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/physicszq/web_issue/blob/main/pfsense/interfaces_groups_edit_file.md_xss.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

  • pfsense pfsense

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.