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CVE-2021-39408

MediumPublished

Cross Site Scripting (XSS) vulnerability exists in Online Student Rate System 1.0 via the page parameter on the index.php file

Published: Jun 24, 2022
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

1.3%

Low · next 30 days

Percentile: 69.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Cross Site Scripting (XSS) vulnerability exists in Online Student Rate System 1.0 via the page parameter on the index.php file

Sources

CVE-2021-39408PoC
XSS vulnerability in Online Student Rate System1.0

Responsible use

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