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Fencer Vulns
medium 6.1

CVE-2019-9558 json

Mailtraq WebMail version 2.17.7.3550 has Persistent Cross Site Scripting (XSS) via the body of an e-mail message.

published 2019-03-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18929

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

Mailtraq WebMail version 2.17.7.3550 has Persistent Cross Site Scripting (XSS) via the body of an e-mail message. To exploit the vulnerability, the victim must open an email with malicious Javascript inserted into the body of the email as an iframe.

Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • packetstormsecurity.com https://packetstormsecurity.com/files/151957/Mailtraq-WebMail-2.17.7.3550-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.