How severe is CVE-2021-27317?

CVE-2021-27317 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-2021-27317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27317?

CVE-2021-27317 affects Doctor Appointment System Project Doctor Appointment System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27317?

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

When was CVE-2021-27317 published?

CVE-2021-27317 was published on 2021-03-01 and last updated on 2026-06-17.

CVE-2021-27317

CVE-2021-27317 is a medium-severity vulnerability in Doctor Appointment System Project Doctor Appointment 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% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Doctor Appointment System Project Doctor Appointment System
Published: 2021-03-01
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability in contactus.php in Doctor Appointment System 1.0 allows remote attackers to inject arbitrary web script or HTML via the comment parameter.

Frequently asked questions

What is CVE-2021-27317?: Cross Site Scripting (XSS) vulnerability in contactus.php in Doctor Appointment System 1.0 allows remote attackers to inject arbitrary web script or HTML via the comment parameter.
How severe is CVE-2021-27317?: CVE-2021-27317 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-2021-27317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27317?: CVE-2021-27317 affects Doctor Appointment System Project Doctor Appointment System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27317 published?: CVE-2021-27317 was published on 2021-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:doctor_appointment_system_project:doctor_appointment_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Doctor Appointment System Project Doctor Appointment System

CVE-2023-40945 — Critical (CVSS 9.8): Sourcecodester Doctor Appointment System 1.0 is vulnerable to SQL Injection in the variable $userid at…
CVE-2023-39852 — Critical (CVSS 9.8): Doctormms v1.0 was discovered to contain a SQL injection vulnerability via the $userid parameter at myAppoinment.php.…
CVE-2021-27314 — Critical (CVSS 9.8): SQL injection in admin.php in doctor appointment system 1.0 allows an unauthenticated attacker to insert malicious SQL…
CVE-2021-27320 — High (CVSS 7.5): Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert…
CVE-2021-27319 — High (CVSS 7.5): Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert…
CVE-2021-27316 — High (CVSS 7.5): Blind SQL injection in contactus.php in doctor appointment system 1.0 allows an unauthenticated attacker to insert…

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