How severe is CVE-2022-0820?

CVE-2022-0820 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-0820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0820?

CVE-2022-0820 affects Orchardcore. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0820?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-0820 published?

CVE-2022-0820 was published on 2022-03-11 and last updated on 2026-06-17.

CVE-2022-0820

CVE-2022-0820 is a medium-severity vulnerability in Orchardcore with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Orchardcore
Published: 2022-03-11
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-0820?: Cross-site Scripting (XSS) - Stored in GitHub repository orchardcms/orchardcore prior to 1.3.0.
How severe is CVE-2022-0820?: CVE-2022-0820 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-0820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0820?: CVE-2022-0820 affects Orchardcore. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0820?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-0820 published?: CVE-2022-0820 was published on 2022-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:orchardcore:orchardcore:*:*:*:*:*:*:*:*

More vulnerabilities in Orchardcore

CVE-2022-0821 — Medium (CVSS 6.5): Improper Authorization in GitHub repository orchardcms/orchardcore prior to 1.3.0.
CVE-2022-32173 — Medium (CVSS 5.4): In OrchardCore rc1-11259 to v1.2.2 vulnerable to HTML injection, allow an authenticated user with an editor security…
CVE-2022-0822 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Reflected in GitHub repository orchardcms/orchardcore prior to 1.3.0.
CVE-2022-0243 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in NuGet OrchardCore.Application.Cms.Targets prior to 1.2.2.
CVE-2022-0274 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in NuGet OrchardCore.Application.Cms.Targets prior to 1.2.2.
CVE-2022-0159 — Medium (CVSS 5.4): orchardcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

All CVEs affecting Orchardcore →

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