CVE-2022-23993: /usr/local/www/pkg.php in pfSense CE before 2.6.0 and pfSense Plus before 22.01 uses $_REQUEST['pkg_filter'] in a PHP echo call, causing XSS

Medium severity · published Jan 26, 2022

CVE-2022-23993

/usr/local/www/pkg.php in pfSense CE before 2.6.0 and pfSense Plus before 22.01 uses $_REQUEST['pkg_filter'] in a PHP echo call, causing XSS

6.1

CVSS

1.5%

EPSS

On KEV

Description

/usr/local/www/pkg.php in pfSense CE before 2.6.0 and pfSense Plus before 22.01 uses $_REQUEST['pkg_filter'] in a PHP echo call, causing XSS.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)1.5% · higher than 75% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Pfsense · Pfsense

before 2.6.0 · source: NVD

Pfsense Plus · Pfsense

before 22.01 · source: NVD

Affected product

Pfsense

All Pfsense CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2022-23993

CVE.org

https://www.cve.org/CVERecord?id=CVE-2022-23993

Third Party Advisory

https://docs.netgate.com/downloads/pfSense-SA-22_04.webgui.asc

Patch

https://github.com/pfsense/pfsense/commit/5d82cce0d615a76b738798577a28a15803e59aeb