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Fencer Vulns
critical 9.3

CVE-2023-28787 json

WordPress Quiz And Survey Master plugin <= 8.1.4 - Unauthenticated SQL Injection vulnerability

published 2024-03-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32422

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known, plus a Nuclei check

Summary

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.4.

Patch / fix

  • ExpressTech Quiz And Survey Master 8.1.5

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Quiz and Survey Master <= 8.1.4 - SQL Injection nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Affected products

  • ExpressTech Quiz And Survey Master

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
Technology feeds

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.