CVE-2021-24621
WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
- Record
CVE-2021-24621- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
- Record
CVE-2021-24621- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11533 No score
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
- Record
EUVD-2021-11533- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jw6-mfpx-fgw6 No score
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code,...
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
- Record
GHSA-8jw6-mfpx-fgw6- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24621 is a medium vulnerability (CVSS 4.8) in Hookandhook Wp Courses Lms, published September 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.