What is CVE-2022-0820?

CVE-2022-0820 is a medium-severity vulnerability in Orchardcms Orchardcms/orchardcore, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-11.

How severe is CVE-2022-0820?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Orchardcms Orchardcms/orchardcore

CVE-2022-0820

Cross-site Scripting (XSS) - Stored in GitHub repository orchardcms/orchardcore prior to 1.3.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% 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

Orchardcms Orchardcms/orchardcore — versions unspecified
Orchardcore

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/d00e7175-4764-4962-ae0d-a66501dda2e6 (Exploit, Patch, Third Party Advisory)
github.com/orchardcms/orchardcore/commit/b7096af1028d8f909f63dd076d1bbd573913a9… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0820?: CVE-2022-0820 is a medium-severity vulnerability in Orchardcms Orchardcms/orchardcore, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-03-11.
How severe is CVE-2022-0820?: Medium severity. CVSS v3 base score is 6.1 out of 10.