How severe is CVE-2019-0186?

CVE-2019-0186 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-2019-0186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0186?

CVE-2019-0186 primarily affects Apache Pluto. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0186?

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

When was CVE-2019-0186 published?

CVE-2019-0186 was published on 2019-04-26 and last updated on 2026-06-17.

CVE-2019-0186

CVE-2019-0186 is a medium-severity vulnerability in Apache Pluto with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. 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: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Pluto
Published: 2019-04-26
Last modified: 2026-06-17

Description

The input fields of the Apache Pluto "Chat Room" demo portlet 3.0.0 and 3.0.1 are vulnerable to Cross-Site Scripting (XSS) attacks. Mitigation: * Uninstall the ChatRoomDemo war file - or - * migrate to version 3.1.0 of the chat-room-demo war file

Frequently asked questions

What is CVE-2019-0186?: The input fields of the Apache Pluto "Chat Room" demo portlet 3.0.0 and 3.0.1 are vulnerable to Cross-Site Scripting (XSS) attacks. Mitigation: * Uninstall the ChatRoomDemo war file - or - * migrate to version 3.1.0 of the chat-room-demo war file
How severe is CVE-2019-0186?: CVE-2019-0186 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-2019-0186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0186?: CVE-2019-0186 primarily affects Apache Pluto. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0186 published?: CVE-2019-0186 was published on 2019-04-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:pluto:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:pluto:3.0.1:*:*:*:*:*:*:*

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