CVE-2020-12259
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user...
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user input. An attacker can exploit this vulnerability by crafting arbitrary JavaScript in the rid GET parameter of devicemgmnt.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user input. An attacker can exploit this vulnerability by crafting arbitrary JavaScript in the rid GET parameter of devicemgmnt.php.
- Record
CVE-2020-12259- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user input. An attacker can exploit this vulnerability by crafting arbitrary JavaScript in the rid GET parameter of devicemgmnt.php.
- Record
CVE-2020-12259- Updated
- 2026-11-02
EUVDEUVD-2020-4573 No score
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user input. An attacker can exploit this vulnerability by crafting arbitrary JavaScript in the rid GET parameter of devicemgmnt.php.
- Record
EUVD-2020-4573- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q5v7-9h83-6g6f No score
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user...
rConfig 3.9.4 is vulnerable to reflected XSS. The configDevice.php file improperly validates user input. An attacker can exploit this vulnerability by crafting arbitrary JavaScript in the rid GET parameter of devicemgmnt.php.
- Record
GHSA-q5v7-9h83-6g6f- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | rConfig 3.9.4 - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12259 is a medium vulnerability (CVSS 5.4) in Rconfig, published May 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 96.4%, the 99th percentile. No source names a fixed version.