What is CVE-2020-15263?

CVE-2020-15263 is a high-severity vulnerability in Orchid Platform, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2020-10-19.

How severe is CVE-2020-15263?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Orchid Platform

CVE-2020-15263

In platform before version 9.4.4, inline attributes are not properly escaped. If the data that came from users was not escaped, then an XSS vulnerability is possible. The issue was introduced in 9.0.0 and fixed in 9.4.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Orchid Platform
Orchidsoftware Platform — versions >= 9.0.0, < 9.4.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/orchidsoftware/platform/security/advisories/GHSA-589w-hccm-265x (Third Party Advisory)
github.com/orchidsoftware/platform/commit/03f9a113b1a70bc5075ce86a918707f0e7d82… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-15263?: CVE-2020-15263 is a high-severity vulnerability in Orchid Platform, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2020-10-19.
How severe is CVE-2020-15263?: High severity. CVSS v3 base score is 8.0 out of 10.