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Fencer Vulns
medium 6.5

CVE-2026-75460 json

XueZhiSi Open Source Exam System <= 3.9.0 has a privilege escalation vulnerability in the teacher-end interface POST /api/teacher/user/page…

published 2026-08-31 2 mo ago modified 2026-09-01 2 mo ago also EUVD-2026-68880

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

XueZhiSi Open Source Exam System <= 3.9.0 has a privilege escalation vulnerability in the teacher-end interface POST /api/teacher/user/page/list. The role parameter in UserPageRequestVM is fully controllable by the requester.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/mindskip/xzs/compare/master...1258129581:xzs:patch-1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key

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.