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Fencer Vulns
critical 9.8

CVE-2018-18934 json

An issue was discovered in PopojiCMS v2.0.1.

published 2018-11-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10640

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

An issue was discovered in PopojiCMS v2.0.1. admin_component.php is exploitable via the po-admin/route.php?mod=component&act=addnew URI by using the fupload parameter to upload a ZIP file containing arbitrary PHP code (that is extracted and can be executed). This can also be exploited via CSRF.

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/PopojiCMS/PopojiCMS/issues/12 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/PopojiCMS/PopojiCMS/issues/13 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.