SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-12347

In pfSense 2.4.4-p3, a stored XSS vulnerability occurs when attackers inject a payload into the Name or Description field via an acme_accountkeys_edit.php action.

EXPLOITMEDIUM 6.1EPSS 58.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 58.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

In pfSense 2.4.4-p3, a stored XSS vulnerability occurs when attackers inject a payload into the Name or Description field via an acme_accountkeys_edit.php action. The vulnerability occurs due to input validation errors.

CVSS 3.0
6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
58.58% probability · 99th percentile
Public exploits
1 in Exploit-DB · first 29 May 2019
CISA KEV
Not listed
Weakness
CWE-79
Affected
netgate/pfsense
Source
cve@mitre.org
EPSS trend
0%40%80%21 September 2026: 78.45%22 September 2026: 58.58%27 October 2026: 58.58%21 September 202627 October 2026

EPSS moved from 78.5% on 21 September 2026 to 58.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-46936source ↗pfSense 2.4.4-p3 (ACME Package 0.59_14) - Persistent Cross-Site Scriptingphp · Chi Tranwebapps29 May 2019no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.