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Fencer Vulns
critical 9.8

CVE-2018-19548 json

index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and LoginForm[password] paramete…

published 2018-11-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11237

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and LoginForm[password] parameters, which might make it easier for remote attackers to obtain access via a brute-force approach.

Exploit prediction

1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/EduSec/EduSec/issues/14 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 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts

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.