What is CVE-2020-36139?

CVE-2020-36139 is a medium-severity vulnerability in Bloofox Bloofoxcms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-04.

How severe is CVE-2020-36139?

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

XSS in Bloofox Bloofoxcms

CVE-2020-36139

BloofoxCMS 0.5.2.1 allows Reflected Cross-Site Scripting (XSS) vulnerability by inserting a XSS payload within the 'fileurl' parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-06-04 · 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: 0.005 (41.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Bloofox Bloofoxcms — versions 0.5.2.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

muteb.io/2020/12/29/BloofoxCMS-Multiple-Vulnerabilities.html (URL Repurposed, Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-36139?: CVE-2020-36139 is a medium-severity vulnerability in Bloofox Bloofoxcms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-04.
How severe is CVE-2020-36139?: Medium severity. CVSS v3 base score is 5.4 out of 10.