Vulnerability Details : 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 category: Cross site scripting (XSS)
Products affected by CVE-2019-8953
- cpe:2.3:a:netgate:haproxy:*:*:*:*:*:pfsense:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-8953
4.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-8953
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2019-8953
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-8953
-
https://www.exploit-db.com/exploits/46538/
pfSense 2.4.4-p1 (HAProxy Package 0.59_14) - Persistent Cross-Site ScriptingExploit;Third Party Advisory;VDB Entry
-
https://cxsecurity.com/issue/WLB-2019020153
pfSense 2.4.4-p1 (HAProxy Package 0.59_14) - Stored Cross-Site Scripting - CXSecurity.comExploit;Third Party Advisory
-
https://redmine.pfsense.org/issues/9335
Bug #9335: Stored XSS in HAProxy / haproxy_listeners_edit.php - pfSense Packages - pfSense bugtrackerPatch;Third Party Advisory
-
https://github.com/pfsense/FreeBSD-ports/commit/2dded47b3202dfdf89aa96f84bf701b3d5acbe6c
Encoding for haproxy_listeners.php. Fixes #9335 · pfsense/FreeBSD-ports@2dded47 · GitHubPatch;Third Party Advisory
-
https://github.com/pfsense/FreeBSD-ports/commit/3b40366aca55910b224ecf49d3fdacc9ad6c04f5
Encoding for haproxy_listeners.php. Fixes #9335 · pfsense/FreeBSD-ports@3b40366 · GitHubPatch;Third Party Advisory
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