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Fencer Vulns
high 7.5

CVE-2017-14523 json

WonderCMS 2.3.1 is vulnerable to an HTTP Host header injection attack.

published 2018-01-26 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6024

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.0%
EPSS 8.0% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

WonderCMS 2.3.1 is vulnerable to an HTTP Host header injection attack. It uses user-entered values to redirect pages. NOTE: the vendor reports that exploitation is unlikely because the attack can only come from a local machine or from the administrator as a self attack

Timeline

  1. Published
  2. First public exploit (EDB-43964)

Exploit prediction

8.04% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-43964 Wonder CMS 2.3.1 - 'Host' Header Injection webapps, 2018-02-05
  • securitywarrior9.blogspot.in https://securitywarrior9.blogspot.in/2018/01/host-header-injection-in-wonder-cms.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

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.