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Fencer Intel
low 3.8

CVE-2025-56556 json

Subrion CMS: Authenticated administrators are able to gain escalated access through Run SQL Query tool

published last yr. modified 4mo ago also GHSA-h8wv-vv58-468h , EUVD-2025-28990

cvss
3.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

An issue was discovered in Subrion CMS 4.2.1, allowing authenticated adminitrators or moderators with access to the built-in Run SQL Query feature under the SQL Tool admin panel - to gain escalated privileges in the context of the SQL query tool.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/intelliants/subrion/issues/913 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 3.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 3.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist intelliants/subrion
<=4.2.1
 no fix listed

Classification

Weakness
  • CWE-566 Authorization Bypass Through User-Controlled SQL Primary Key

References

Sources

Fencer Intel 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.