How severe is CVE-2020-19626?

CVE-2020-19626 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-19626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19626?

CVE-2020-19626 affects Craftcms Craft Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19626?

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

When was CVE-2020-19626 published?

CVE-2020-19626 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2020-19626

CVE-2020-19626 is a medium-severity vulnerability in Craftcms Craft Cms with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Craftcms Craft Cms
Published: 2021-03-26
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.

Frequently asked questions

What is CVE-2020-19626?: Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.
How severe is CVE-2020-19626?: CVE-2020-19626 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-19626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19626?: CVE-2020-19626 affects Craftcms Craft Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19626?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-19626 published?: CVE-2020-19626 was published on 2021-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:craftcms:craft_cms:3.1.31:*:*:*:*:*:*:*

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