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Fencer Vulns
medium 5.4

CVE-2023-39223 json

Stored cross-site scripting vulnerability exists in CGIs included in A.K.I Software's PMailServer/PMailServer2 products.

published 2024-03-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42957

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

Stored cross-site scripting vulnerability exists in CGIs included in A.K.I Software's PMailServer/PMailServer2 products. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • A.K.I Software pmc.exe
  • A.K.I Software pmam.exe
  • A.K.I Software pmum.exe (Standard edition)
  • A.K.I Software pmum.exe (Pro edition)
  • A.K.I Software pmum.exe (Standard + IMAP4 edition)
  • A.K.I Software pmum.exe (Pro + IMAP4 edition / Enterprise edition)

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.