CVE-2021-41930
CVE-2021-41930 is a medium-severity vulnerability in Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-41930?
- 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.
- How severe is CVE-2021-41930?
- CVE-2021-41930 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-41930 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-41930?
- CVE-2021-41930 affects Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-41930?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-41930 published?
- CVE-2021-41930 was published on 2022-01-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:online_covid_vaccination_scheduler_system_project:online_covid_vaccination_scheduler_system:1.0:*:*:*:*:*:*:*
More vulnerabilities in Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System
- CVE-2021-36622 — Critical (CVSS 9.8): Sourcecodester Online Covid Vaccination Scheduler System 1.0 is affected vulnerable to Arbitrary File Upload. The admin…
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- CVE-2021-36621 — High (CVSS 8.1): Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL Injection. The username parameter is…
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