CVE-2021-41930
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler...
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler System v1 by oretnom23, allows attackers to execute arbitrary code via the lid parameter to /scheduler/addSchedule.php.
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
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler System v1 by oretnom23, allows attackers to execute arbitrary code via the lid parameter to /scheduler/addSchedule.php.
- Record
CVE-2021-41930- CVSS 3.1
- 6.1 Medium
CVSS:3.1/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
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler System v1 by oretnom23, allows attackers to execute arbitrary code via the lid parameter to /scheduler/addSchedule.php.
- Record
CVE-2021-41930- Updated
- 2026-11-02
EUVDEUVD-2021-28927 No score
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler System v1 by oretnom23, allows attackers to execute arbitrary code via the lid parameter to /scheduler/addSchedule.php.
- Record
EUVD-2021-28927- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hjqh-wfr8-g74q No score
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler...
Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination Scheduler System v1 by oretnom23, allows attackers to execute arbitrary code via the lid parameter to /scheduler/addSchedule.php.
- Record
GHSA-hjqh-wfr8-g74q- 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-2021-41930 is a medium vulnerability (CVSS 6.1) in Online Covid Vaccination Scheduler System Project Covid Vaccination Scheduler System, published January 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.