CVE-2019-9557

CVE-2019-9557 is a medium-severity vulnerability in Codecrafters Ability Mail Server 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

Description

Ability Mail Server 4.2.6 has Persistent Cross Site Scripting (XSS) via the body e-mail body. To exploit the vulnerability, the victim must open an email with malicious Javascript inserted into the body of the email as an iframe.

Frequently asked questions

What is CVE-2019-9557?
Ability Mail Server 4.2.6 has Persistent Cross Site Scripting (XSS) via the body e-mail body. To exploit the vulnerability, the victim must open an email with malicious Javascript inserted into the body of the email as an iframe.
How severe is CVE-2019-9557?
CVE-2019-9557 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-2019-9557 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9557?
CVE-2019-9557 affects Codecrafters Ability Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9557?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9557 published?
CVE-2019-9557 was published on 2019-03-12 and last updated on 2026-06-17.

References

Affected products (1)

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