How severe is CVE-2020-22841?

CVE-2020-22841 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-22841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-22841?

CVE-2020-22841 affects B2evolution. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-22841?

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

When was CVE-2020-22841 published?

CVE-2020-22841 was published on 2021-02-09 and last updated on 2026-06-17.

CVE-2020-22841

CVE-2020-22841 is a medium-severity vulnerability in B2evolution with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: B2evolution
Published: 2021-02-09
Last modified: 2026-06-17

Description

Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin name input field in the plugin module.

Frequently asked questions

What is CVE-2020-22841?: Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin name input field in the plugin module.
How severe is CVE-2020-22841?: CVE-2020-22841 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-22841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22841?: CVE-2020-22841 affects B2evolution. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-22841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-22841 published?: CVE-2020-22841 was published on 2021-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:*

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