How severe is CVE-2021-45866?

CVE-2021-45866 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-45866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45866?

CVE-2021-45866 affects Student Attendance Management System Project Student Attendance Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45866?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45866 published?

CVE-2021-45866 was published on 2022-03-29 and last updated on 2026-06-17.

CVE-2021-45866

CVE-2021-45866 is a medium-severity vulnerability in Student Attendance Management System Project Student Attendance Management System with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Student Attendance Management System Project Student Attendance Management System
Published: 2022-03-29
Last modified: 2026-06-17

Description

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Student Attendance Management System 1.0 via the couse filed in index.php.

Frequently asked questions

What is CVE-2021-45866?: A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Student Attendance Management System 1.0 via the couse filed in index.php.
How severe is CVE-2021-45866?: CVE-2021-45866 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-45866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45866?: CVE-2021-45866 affects Student Attendance Management System Project Student Attendance Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45866?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45866 published?: CVE-2021-45866 was published on 2022-03-29 and last updated on 2026-06-17.

References

https://github.com/lohyt/XSS-in-Student-attendance-management

Affected products (1)

cpe:2.3:a:student_attendance_management_system_project:student_attendance_management_system:1.0:*:*:*:*:*:*:*

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CVE-2021-45865 — Critical (CVSS 9.8): A File Upload vulnerability exists in Sourcecodester Student Attendance Manageent System 1.0 via the file upload…
CVE-2023-41524 — High (CVSS 8.8): Student Attendance Management System v1 was discovered to contain a SQL injection vulnerability via the username…
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CVE-2023-41522 — High (CVSS 8.8): Student Attendance Management System v1 was discovered to contain multiple SQL injection vulnerabilities in…
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CVE-2023-41520 — High (CVSS 8.8): Student Attendance Management System v1 was discovered to contain multiple SQL injection vulnerabilities in…

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