How severe is CVE-2019-15054?

CVE-2019-15054 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-2019-15054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15054?

CVE-2019-15054 affects Getmailbird Mailbird. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15054?

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

When was CVE-2019-15054 published?

CVE-2019-15054 was published on 2019-11-18 and last updated on 2026-06-17.

CVE-2019-15054

CVE-2019-15054 is a medium-severity vulnerability in Getmailbird Mailbird 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: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Getmailbird Mailbird
Published: 2019-11-18
Last modified: 2026-06-17

Description

Multiple cross-site scripting (XSS) vulnerabilities in Mailbird before 2.7.5.0 r allow remote attackers to execute arbitrary JavaScript in a privileged context via a crafted HTML mail message. This vulnerability is distinct from CVE-2015-4657.

Frequently asked questions

What is CVE-2019-15054?: Multiple cross-site scripting (XSS) vulnerabilities in Mailbird before 2.7.5.0 r allow remote attackers to execute arbitrary JavaScript in a privileged context via a crafted HTML mail message. This vulnerability is distinct from CVE-2015-4657.
How severe is CVE-2019-15054?: CVE-2019-15054 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-2019-15054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15054?: CVE-2019-15054 affects Getmailbird Mailbird. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15054?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15054 published?: CVE-2019-15054 was published on 2019-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:getmailbird:mailbird:*:*:*:*:*:*:*:*

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