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Fencer Intel
medium 6.5

CVE-2018-17996 json

LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via admin/members.php/delete_user/, and deleting…

published 7y ago modified 4mo ago also EUVD-2018-9735

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
1
Exploit-DB

Summary

LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via admin/members.php/delete_user/, and deleting content via mod/delete.php/.

Patch / fix

Is CVE-2018-17996 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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Timeline

  1. First public exploit (EDB-46379)
  2. Published

Exploit prediction

3.01% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-46379 LayerBB 1.1.2 - Cross-Site Request Forgery (Add Admin) webapps, 2019-02-14
  • packetstormsecurity.com http://packetstormsecurity.com/files/151694/LayerBB-1.1.2-Cross-Site-Request-Forgery.html referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/AndyRixon/LayerBB/issues/38 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

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.