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Fencer Vulns
medium 6.5

CVE-2020-8505 json

School Management Software PHP/mySQL through 2019-03-14 allows office_admin/?action=deleteadmin CSRF to delete a user.

published 2020-01-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29371

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
1
Exploit-DB

Summary

School Management Software PHP/mySQL through 2019-03-14 allows office_admin/?action=deleteadmin CSRF to delete a user.

Timeline

  1. Published
  2. First public exploit (EDB-47992)

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-47992 School ERP System 1.0 - Cross Site Request Forgery (Add Admin) webapps, 2020-02-03
  • github.com https://github.com/J3rryBl4nks/SchoolERPCSRF referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

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.