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Fencer Vulns
medium 5.4

CVE-2023-43456 json

Cross Site Scripting vulnerability in Service Provider Management System v.1.0 allows a remote attacker to execute arbitrary code and obtai…

published 2023-09-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47872

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Cross Site Scripting vulnerability in Service Provider Management System v.1.0 allows a remote attacker to execute arbitrary code and obtain sensitive information via the firstname, middlename and lastname parameters in the /php-spms/admin/?page=user endpoint.

CISA SSVC

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

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • samh4cks.github.io https://samh4cks.github.io/posts/cve-2023-43456/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.