CVE-2020-11457 EXPLOIT
5.4
MEDIUM · CVSS 3.1 · EPSS 9.3% (pctl 95)
Patch early
A public exploit exists.
Description
pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full name) of a user.
Scoring
| CVSS | 5.4 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 9.28% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-04-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| netgate | pfsense |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | pfSense 2.4.4-P3 - 'User Manager' Persistent Cross-Site Scripting | 2020-04-06 |
References
- http://packetstormsecurity.com/files/157104/pfSense-2.4.4-P3-User-Manager-Cross-Site-Scripting.html
- https://github.com/pfsense/pfsense/commit/3c1e53dabe966f27c9097a5a923e77f49ae5fffa
- https://www.exploit-db.com/exploits/48300
- https://www.netgate.com/assets/downloads/advisories/pfSense-SA-20_06.webgui.asc
- http://packetstormsecurity.com/files/157104/pfSense-2.4.4-P3-User-Manager-Cross-Site-Scripting.html
- https://github.com/pfsense/pfsense/commit/3c1e53dabe966f27c9097a5a923e77f49ae5fffa
- https://www.exploit-db.com/exploits/48300
- https://www.netgate.com/assets/downloads/advisories/pfSense-SA-20_06.webgui.asc
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