XSS in Stratospheredigital Wp Courses Lms

CVE-2021-24621

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24621?
CVE-2021-24621 is a medium-severity vulnerability in Stratospheredigital Wp Courses Lms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-09-13.
How severe is CVE-2021-24621?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24621 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.