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Fencer Vulns
medium 6.1

CVE-2018-7703 json

Cross-site scripting (XSS) vulnerability in SecurEnvoy SecurMail before 9.2.501 allows remote attackers to inject arbitrary web script or H…

published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19419

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in SecurEnvoy SecurMail before 9.2.501 allows remote attackers to inject arbitrary web script or HTML via the mailboxid parameter to secmail/getmessage.exe.

Patch / fix

  • securenvoy securmail 9.2.501

Timeline

  1. First public exploit (EDB-44285)
  2. Published

Exploit prediction

3.94% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44285 SecurEnvoy SecurMail 9.1.501 - Multiple Vulnerabilities webapps, 2018-03-13
  • seclists.org http://seclists.org/fulldisclosure/2018/Mar/29 referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://www.sec-consult.com/en/blog/advisories/multiple-critical-vulnerabilities-in-securenvoy-securmail/index.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.