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Fencer Intel
medium 5.4

CVE-2018-12101 json

CMS Clipper 1.3.3 has XSS in the Security tab search, User Groups, Resource Groups, and User/Resource Group Links fields.

published 7y ago modified 4mo ago also EUVD-2018-4080

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

CMS Clipper 1.3.3 has XSS in the Security tab search, User Groups, Resource Groups, and User/Resource Group Links fields.

Is CVE-2018-12101 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/ClipperCMS/ClipperCMS/issues/487 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/ClipperCMS/ClipperCMS/issues/488 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/ClipperCMS/ClipperCMS/issues/496 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.