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Fencer Vulns
critical 9.8

CVE-2018-12914 json

A remote code execution issue was discovered in PublicCMS V4.0.20180210.

published 2018-06-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4867

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

A remote code execution issue was discovered in PublicCMS V4.0.20180210. An attacker can upload a ZIP archive that contains a .jsp file with a directory traversal pathname. After an unzip operation, the attacker can execute arbitrary code by visiting a .jsp URI.

Exploit prediction

3.83% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/sanluan/PublicCMS/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-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.