How severe is CVE-2020-14063?

CVE-2020-14063 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-2020-14063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14063?

CVE-2020-14063 affects Tc Custom Javascript Project Tc Custom Javascript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14063?

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

When was CVE-2020-14063 published?

CVE-2020-14063 was published on 2020-07-21 and last updated on 2026-06-17.

CVE-2020-14063

CVE-2020-14063 is a medium-severity vulnerability in Tc Custom Javascript Project Tc Custom Javascript 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% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tc Custom Javascript Project Tc Custom Javascript
Published: 2020-07-21
Last modified: 2026-06-17

Description

A stored Cross-Site Scripting (XSS) vulnerability in the TC Custom JavaScript plugin before 1.2.2 for WordPress allows unauthenticated remote attackers to inject arbitrary JavaScript via the tccj-content parameter. This is displayed in the page footer of every front-end page and executed in the browser of visitors.

Frequently asked questions

What is CVE-2020-14063?: A stored Cross-Site Scripting (XSS) vulnerability in the TC Custom JavaScript plugin before 1.2.2 for WordPress allows unauthenticated remote attackers to inject arbitrary JavaScript via the tccj-content parameter. This is displayed in the page footer of every front-end page and executed in the browser of visitors.
How severe is CVE-2020-14063?: CVE-2020-14063 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-2020-14063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14063?: CVE-2020-14063 affects Tc Custom Javascript Project Tc Custom Javascript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14063 published?: CVE-2020-14063 was published on 2020-07-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tc_custom_javascript_project:tc_custom_javascript:*:*:*:*:*:wordpress:*:*

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