CVE-2021-42943
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote...
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote attackers to inject arbitrary web script or HTML via the userid parameter.
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
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote attackers to inject arbitrary web script or HTML via the userid parameter.
- Record
CVE-2021-42943- 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
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote attackers to inject arbitrary web script or HTML via the userid parameter.
- Record
CVE-2021-42943- Updated
- 2026-11-02
EUVDEUVD-2021-29898 No score
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote attackers to inject arbitrary web script or HTML via the userid parameter.
- Record
EUVD-2021-29898- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mh4g-685x-fp9j
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote...
Stored cross-site scripting (XSS) in admin/usermanager.php over IPPlan v4.92b allows remote attackers to inject arbitrary web script or HTML via the userid parameter.
- Record
GHSA-mh4g-685x-fp9j- 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 - 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-2021-42943 is a medium vulnerability (CVSS 5.4) in Ipplan Project Ipplan, published May 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. No source names a fixed version.