Cross site scripting (XSS) vulnerability in Sourcecodester Online Covid Vaccination…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.01008 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:online_covid_vaccination_scheduler_system_project:online_covid_vaccination_scheduler_system:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Online Covid Vaccination Scheduler System Project |
- cpe:2.3:a:online_covid_vaccination_scheduler_system_project:online_covid_vaccination_scheduler_system:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Online Covid Vaccination Scheduler System Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41930
- 2026-10-03 Alias added: GHSA-hjqh-wfr8-g74q
References
More Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System vulnerabilities
- TI-2021-14821 Sourcecodester Online Covid Vaccination Scheduler System 1.0 is affected vulnerable to… CVSS 3.1CRITICAL 9.8
- TI-2021-14820 Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL… CVSS 3.1HIGH 8.1
- TI-2021-15640 An SQL Injection vulnerability exists in Sourcecodester Online Covid Vaccination… CVSS 3.1HIGH 8.1
Sources
- CVE-2021-41930 · CVE Program
- CVE-2021-41930 · NVD
- FIRST EPSS
- GHSA-hjqh-wfr8-g74q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences