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Fencer Vulns
critical 9.8

CVE-2023-51763 json

ActiveAdmin CSV Injection leading to sensitive information disclosure

published 2023-12-24 2 y ago modified 2026-06-17 4 mo ago also GHSA-xhvv-3jww-c487 , EUVD-2023-3326

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

csv_builder.rb in ActiveAdmin (aka Active Admin) before 3.2.0 allows CSV injection.

Patch / fix

Exploit prediction

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 5.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
rubygems activeadmin
<3.2.0
3.2.0

Classification

Weakness
  • CWE-1236 Improper Neutralization of Formula Elements in a CSV File

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.