How severe is CVE-2020-13427?

CVE-2020-13427 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-2020-13427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13427?

CVE-2020-13427 affects Victorcms Project Victorcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13427?

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

When was CVE-2020-13427 published?

CVE-2020-13427 was published on 2020-06-22 and last updated on 2026-06-17.

CVE-2020-13427

CVE-2020-13427 is a medium-severity vulnerability in Victorcms Project Victorcms 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Victorcms Project Victorcms
Published: 2020-06-22
Last modified: 2026-06-17

Description

Victor CMS 1.0 has Persistent XSS in admin/users.php?source=add_user via the user_name, user_firstname, or user_lastname parameter.

Frequently asked questions

What is CVE-2020-13427?: Victor CMS 1.0 has Persistent XSS in admin/users.php?source=add_user via the user_name, user_firstname, or user_lastname parameter.
How severe is CVE-2020-13427?: CVE-2020-13427 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-2020-13427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13427?: CVE-2020-13427 affects Victorcms Project Victorcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13427 published?: CVE-2020-13427 was published on 2020-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:victorcms_project:victorcms:1.0:*:*:*:*:*:*:*

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