CVE-2018-18991
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001)...
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001) could allow an attacker to send a crafted URL that contains JavaScript, which can be reflected off the web application to the victim's browser.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001) could allow an attacker to send a crafted URL that contains JavaScript, which can be reflected off the web application to the victim's browser.
- Record
CVE-2018-18991- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001) could allow an attacker to send a crafted URL that contains JavaScript, which can be reflected off the web application to the victim's browser.
- Record
CVE-2018-18991- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2018-10695 No score
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001) could allow an attacker to send a crafted URL that contains JavaScript, which can be reflected off the web application to the victim's browser.
- Record
EUVD-2018-10695- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jqm7-8wp8-pqg6
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001)...
Reflected cross-site scripting (non-persistent) in SCADA WebServer (Versions prior to 2.03.0001) could allow an attacker to send a crafted URL that contains JavaScript, which can be reflected off the web application to the victim's browser.
- Record
GHSA-jqm7-8wp8-pqg6- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18991 is a medium vulnerability (CVSS 6.1) in Spidercontrol Scada Webserver, published December 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.