What is CVE-2020-36501?

CVE-2020-36501 is a medium-severity vulnerability in Sugarcrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-22.

How severe is CVE-2020-36501?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sugarcrm

CVE-2020-36501

Multiple cross-site scripting (XSS) vulnerabilities in the Support module of SugarCRM v6.5.18 allows attackers to execute arbitrary web scripts or HTML via crafted payloads entered into the primary address state or alternate address state input fields.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-10-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Sugarcrm — versions 6.5.18

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.vulnerability-lab.com/get_content.php (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-36501?: CVE-2020-36501 is a medium-severity vulnerability in Sugarcrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-22.
How severe is CVE-2020-36501?: Medium severity. CVSS v3 base score is 5.4 out of 10.