CVE-2021-24664 WPSchoolPress < 2.1.17 - Multiple Admin+ Stored Cross-Site Scripting
An attacker with admin privileges can inject malicious scripts via stored XSS in the WPSchoolPress plugin, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24664?
CVE-2021-24664 is a medium-severity cross-site scripting vulnerability in Unknown School Management System – WPSchoolPress, published on 8 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2021-24664?
It affects 1 product.
Products include Igexsolutions Wpschoolpress.
How do I fix CVE-2021-24664?
No fix has been published for CVE-2021-24664 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-24664 being exploited?
There is no known exploitation of CVE-2021-24664 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Unknown School Management System – WPSchoolPress
- CVE-2025-1667 School Management System – WPSchoolPress <= 2.2.16 - Missing Authorization to Privilege Escalation via Account Takeover
- CVE-2024-9637 Missing authorization in School Management System – WPSchoolPress
- CVE-2023-4776 WPSchoolPress < 2.2.5 - Teacher+ SQLi
- CVE-2021-24575 WPSchoolPress < 2.1.10 - Multiple Authenticated SQL Injections
- CVE-2025-1669 School Management System – WPSchoolPress <= 2.2.17 - Authenticated (Teacher+) SQL Injection
Sources
Also known as GHSA-v58g-4h5m-gvqg.