What is CVE-2020-36998?

CVE-2020-36998 is a medium-severity vulnerability in Forma E-Learning Suite, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-30.

How severe is CVE-2020-36998?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Forma E-Learning Suite

CVE-2020-36998

Forma.lms The E-Learning Suite 2.3.0.2 contains a persistent cross-site scripting vulnerability in multiple course and profile parameters. Attackers can inject malicious scripts in course code, name, description fields, and email parameter to execute arbitrary JavaScript without proper input sanitization.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Forma E-learning Suite — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-36998?: CVE-2020-36998 is a medium-severity vulnerability in Forma E-Learning Suite, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-30.
How severe is CVE-2020-36998?: Medium severity. CVSS v3 base score is 6.4 out of 10.