XSS in Netgate Haproxy
CVE-2019-8953
The HAProxy package before 0.59_16 for pfSense has XSS via the desc (aka Description) or table_actionsaclN parameter, related to haproxy_listeners.php and haproxy_listeners_edit.php.
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: 0.522 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.783 · newest: 0.522 · change: -0.261
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- redmine.pfsense.org/issues/9335 (Patch, Third Party Advisory)
- github.com/pfsense/FreeBSD-ports/commit/2dded47b3202dfdf89aa96f84bf701b3d5acbe6c (Patch, Third Party Advisory)
- cxsecurity.com/issue/WLB-2019020153 (Exploit, Third Party Advisory)
- github.com/pfsense/FreeBSD-ports/commit/3b40366aca55910b224ecf49d3fdacc9ad6c04f5 (Patch, Third Party Advisory)
- www.exploit-db.com/exploits/46538/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2019-8953?
- CVE-2019-8953 is a medium-severity vulnerability in Netgate Haproxy, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-02-20.
- How severe is CVE-2019-8953?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-8953 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.