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Tool Directory

CVE-2021-24664

MediumPublished

WPSchoolPress < 2.1.17 - Multiple Admin+ Stored Cross-Site Scripting

Published: Nov 8, 2021
Updated: Aug 3, 2024
Assigning CNA: WPScan
Evidence observed: Nov 15, 2021

Primary CVSS

4.8/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

2.4%

Low · next 30 days

Percentile: 82.9%
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

The School Management System – WPSchoolPress WordPress plugin before 2.1.17 sanitise some fields using sanitize_text_field() but does not escape them before outputting in attributes, resulting in Stored Cross-Site Scripting issues.

Sources

WordPress Plugin WPSchoolPress 2.1.16 - 'Multiple' Cross Site Scripting (XSS)Exploit
Davide Taraschi · php · Nov 15, 2021

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