What is CVE-2021-26227?

CVE-2021-26227 is a medium-severity vulnerability in Casap Automated Enrollment System Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-22.

How severe is CVE-2021-26227?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Casap Automated Enrollment System Project

CVE-2021-26227

Cross-site scripting (XSS) vulnerability in SourceCodester CASAP Automated Enrollment System v 1.0 allows remote attackers to inject arbitrary web script or HTML via the student information parameters to edit_stud.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-07-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Casap Automated Enrollment System Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/BigTiger2020/CASAP-Automated-Enrollment-System/blob/main/CASAP-Autom… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-26227?: CVE-2021-26227 is a medium-severity vulnerability in Casap Automated Enrollment System Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-22.
How severe is CVE-2021-26227?: Medium severity. CVSS v3 base score is 6.1 out of 10.