CVE-2018-9991
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
- Record
CVE-2018-9991- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:L/PR:H/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
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
- Record
CVE-2018-9991- Updated
- 2026-11-02
EUVDEUVD-2018-21583 No score
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
- Record
EUVD-2018-21583- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8pxp-j6vx-2j5x
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
Frog CMS 0.9.5 has XSS via the /admin/?/user/add Name or Username parameter.
- Record
GHSA-8pxp-j6vx-2j5x- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9991 is a medium vulnerability (CVSS 4.8) in Frog Cms Project Cms, published April 11, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.