XSS in Codecrafters Ability Mail Server

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-9557: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9557?
CVE-2019-9557 is a medium-severity vulnerability in Codecrafters Ability Mail Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-03-12.
How severe is CVE-2019-9557?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-9557 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.