How severe is CVE-2019-6780?

CVE-2019-6780 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-2019-6780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6780?

CVE-2019-6780 affects Kaine Wise Chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6780?

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

When was CVE-2019-6780 published?

CVE-2019-6780 was published on 2019-01-24 and last updated on 2026-06-17.

CVE-2019-6780

CVE-2019-6780 is a medium-severity vulnerability in Kaine Wise Chat 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Kaine Wise Chat
Published: 2019-01-24
Last modified: 2026-06-17

Description

The Wise Chat plugin before 2.7 for WordPress mishandles external links because rendering/filters/post/WiseChatLinksPostFilter.php omits noopener and noreferrer.

Frequently asked questions

What is CVE-2019-6780?: The Wise Chat plugin before 2.7 for WordPress mishandles external links because rendering/filters/post/WiseChatLinksPostFilter.php omits noopener and noreferrer.
How severe is CVE-2019-6780?: CVE-2019-6780 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-2019-6780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6780?: CVE-2019-6780 affects Kaine Wise Chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6780 published?: CVE-2019-6780 was published on 2019-01-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kaine:wise_chat:*:*:*:*:*:wordpress:*:*

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