XSS in Netgate Pfsense
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. The vulnerability occurs due to input validation errors.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.586 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.784 · newest: 0.586 · change: -0.199
Affected products
- Netgate Pfsense — versions 2.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- redmine.pfsense.org/issues/9554 (Exploit, Vendor Advisory)
- www.pfsense.org/download/ (Vendor Advisory)
- ctrsec.io/index.php/2019/05/28/stored-xss-acme-pfsense-2-4-4-p3/ (Exploit, Patch, Third Party Advisory)
- packetstormsecurity.com/files/153112/pfSense-2.4.4-p3-Cross-Site-Scripting.html (Exploit, VDB Entry, Third Party Advisory)
- github.com/pfsense/FreeBSD-ports/commit/504909564079e540689dbdbed3a579483c614275 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12347?
- CVE-2019-12347 is a medium-severity vulnerability in Netgate Pfsense, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-29.
- How severe is CVE-2019-12347?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-12347 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.