PatchTheCVECVE-2021-24621: The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious c
CVE-2021-24621 is a medium-severity flaw (CVSS 4.8) affecting wp courses lms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-09-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-24621?
wp courses lms: upgrade to 2.0.44. Exact commands for each OS are on this page.
Is CVE-2021-24621 being exploited?
CVE-2021-24621 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-24621 affect?
CVE-2021-24621 affects wp courses lms. Severity is medium (CVSS 4.8). 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 Stor
How urgent is CVE-2021-24621?
Priority 34/100. Public exploit reference