What is CVE-2020-6847?

CVE-2020-6847 is a medium-severity vulnerability in Opentrade Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-11.

How severe is CVE-2020-6847?

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

XSS in Opentrade Project

CVE-2020-6847

OpenTrade through 0.2.0 has a DOM-based XSS vulnerability that is executed when an administrator attempts to delete a message that contains JavaScript.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-11 · 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: 0.009 (59.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Opentrade Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gist.github.com/Marshall-Hallenbeck/bf6a4a4f408bb7a5e0a47cb39dc1dbbe (Exploit, Patch, Third Party Advisory)
github.com/3s3s/opentrade/blob/4f91391164219da30533453e1ff6800ef2ef3c6b/static_… (Third Party Advisory)
github.com/3s3s/opentrade/pull/337 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-6847?: CVE-2020-6847 is a medium-severity vulnerability in Opentrade Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-11.
How severe is CVE-2020-6847?: Medium severity. CVSS v3 base score is 5.4 out of 10.