How severe is CVE-2020-28119?

CVE-2020-28119 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-2020-28119 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28119?

CVE-2020-28119 affects 53kf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28119?

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

When was CVE-2020-28119 published?

CVE-2020-28119 was published on 2021-10-04 and last updated on 2026-06-17.

CVE-2020-28119

CVE-2020-28119 is a medium-severity vulnerability in 53kf 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% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: 53kf
Published: 2021-10-04
Last modified: 2026-06-17

Description

Cross site scripting vulnerability in 53KF < 2.0.0.2 that allows for arbitrary code to be executed via crafted HTML statement inserted into chat window.

Frequently asked questions

What is CVE-2020-28119?: Cross site scripting vulnerability in 53KF < 2.0.0.2 that allows for arbitrary code to be executed via crafted HTML statement inserted into chat window.
How severe is CVE-2020-28119?: CVE-2020-28119 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-2020-28119 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28119?: CVE-2020-28119 affects 53kf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28119?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28119 published?: CVE-2020-28119 was published on 2021-10-04 and last updated on 2026-06-17.

References

https://github.com/i900008/panexiang.github.io/blob/gh-pages/CVE-2020-28119.md

Affected products (1)

cpe:2.3:a:53kf:53kf:*:*:*:*:*:*:*:*

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